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  • 1.
    Alfvén, G
    et al.
    Karolinska institutet.
    Grillner, S
    Karolinska institutet.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control. Karolinska institutet.
    Children with chronic stress-induced recurrent muscle pain have enhanced startle reaction.2017In: European Journal of Pain, ISSN 1090-3801, E-ISSN 1532-2149, Vol. 21, no 9, p. 1561-1570Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Children with recurrent pain of negative chronic stress origin from different locations have a characteristic pattern of tender points in the temporal, trapezoid, great pectoral and abdominal muscles. We tested the hypothesis that the startle reaction is activated in these children and that some of the startle-activated muscles are related to the tender point pattern and the recurrent pain.

    METHODS: In children/adolescents, aged 10-17 years, 19 with recurrent psychosomatic pain (PAIN) and 23 controls (CON) we measured and analysed resting activity and acoustic startle response with electromyography (EMG) for the muscles involved in the pattern of tender points and also the lumbar erector spinae.

    RESULTS: The PAIN group showed higher resting activity and higher acoustic startle response values than the CON group for all six muscles together regarding the mean amplitude in the initial 200 ms, and during the burst of activity, and longer burst duration and shorter burst latency. For PAIN versus CON, all separate muscles showed generally higher values of EMG amplitudes and burst durations, and shorter latencies for the burst onset in all measures; with significance or strong trends for several parameters and muscles.

    CONCLUSION: For the first time in children with recurrent psychosomatic pain, increased resting activity and potentiated startle response were demonstrated in the muscles involved in the stress tender point pattern.

    SIGNIFICANCE: This study demonstrates in adolescents how recurrent pain of negative stress origin from the head, stomach, back and chest is related to increased startle reaction and increased muscular tension in these regions. This study contributes to the understanding of the mechanisms underlying the global burden of recurrent pain.

  • 2.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Physical fitness: I. Muscle strength II. Aerobic fitness: Muscle oxygen uptake and heart rate2014In: Women and sport, Stockholm: SISU idrottsböcker , 2014Chapter in book (Other academic)
    Abstract [en]

    Improved muscle strength and aerobic fitness are of great importance in many sports and are also associated with increased life expectancy and a reduced incidence of a number of diseases. In this chapter, we will discuss some of the factors that influence muscle strength and aerobic fitness, including sex-related factors. The way physical fitness is measured is also important when making comparisons. An increased understanding of the assessment of strength and aerobic fitness may inspire fruitful improvements in practical test and training programs in various sport and health contexts.

  • 3.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Rygg-, buk- och höftmuskulatur - styrka, träningsövningar och stabilitet.2001In: Svensk Idrottsforskning: Organ för Centrum för Idrottsforskning, ISSN 1103-4629, no 3, p. 43-49Article in journal (Other academic)
  • 4.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Rygg- och bukmuskelträning samt bålstabilitet1998In: Svensk Idrottsforskning: Organ för Centrum för Idrottsforskning, ISSN 1103-4629, no 4, p. 4-7Article in journal (Other academic)
  • 5.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Äldre blir starkare i GIHs hälsoprojekt2015In: Äldre i centrum : tidskrift för aktuell äldreforskning, ISSN 1653-3585, no 4, p. 2p. 24-25Article in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    Ett lyckosamt projekt för seniorer 65 år och äldre har sedan 2005 pågått på Gymnastik- och idrottshögskolan, GIH. Deltagarna tränar kostnadsfritt och utför hälsotester med GIH:s studenter på hälsopedagogprogrammet. Syftet är att utveckla metoder som kan bidra till ökad fysisk aktivitet och fysisk kapacitet som ett led i sänkta vård- och omsorgskostnader och ökat välmående hos de äldre.

  • 6.
    Andersson, Eva A
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Analys av träningsövningar för buk- och höftböjarmuskulatur1994In: Svensk Idrottsforskning: Organ för Centrum för Idrottsforskning, ISSN 1103-4629, no 3, p. 16-18Article in journal (Other academic)
  • 7.
    Andersson, Eva A
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    EMG and strength in trunk and hip muscles1997Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    The overall aim of this thesis was to study the myouelectric activity of all major muscles involved in the movements and stabilization of the trunk, pelvis and hips during training exercises, postures, motor tasks, maximal strength performance and locomotion. By use of ultra-sound, EMG electrodes could be guided safely and accurately into muscles situated even close to the spinal column, such as psoas, quadratus lumborum and deep parts of erector spinae.

         A task specific variation in activation levels were seen between muscle synergies, as well as between individual muscles within a synergy. Selective engagement of the abdominal muscles could be achieved in trunk flexion sit-ups, that is lifting only the upper trunk from the floor. An even higher activation of abdominal muscles was needed for static stabilization of the trunk and pelvis during hip flexion sit-ups, whereas single leg lifts were performed without involvement of the abdominal muscles. A selective activation of either the iliacus or psoas muscle was observed, for example in certain types of training exercises and in walking and running. Applying bending moments to the spine, resulted in a grading of the muscle activation response according to mechanical advantage, that is highest in the quadratus lumborum in lateral loading and in the superficial erector spinae in ventral loading. An exception was the most forward flexed position in standing where the superficial erector spinae "relaxed" but quadratus lumborum remained active. In general, the level of EMG in maximal efforts was maintained at the same high level irrespective of position in the range of motion, despite a marked variation in strength output. This position-dependency, as well as the strength values as such, varied in a specific way in groups of athletes, related to previous background.

         These data contribute to the understanding of muscle function and motor control of the trunk , pelvis and hips. They are also of relevance when evaluating and designing tests and training programs in rehabilitation and sport contexts as well as for improving biomechanical models of spinal loading.  

  • 8.
    Andersson, Eva A
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    EMG and strength in trunk and hip muscles1997In: Svensk Idrottsforskning: Organ för Centrum för Idrottsforskning, ISSN 1103-4629, no 1, p. 48-Article in journal (Other academic)
  • 9.
    Andersson, Eva A.
    et al.
    Department of Neuroscience, Karolinska Institutet.
    Defaire, Gi
    Swedish School of Sport and Health Sciences, GIH.
    Hultgren, Staffan
    Swedish School of Sport and Health Sciences, GIH.
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH.
    Oddsson, Kristjan
    Swedish School of Sport and Health Sciences, GIH.
    Olin, Hedvig
    Swedish School of Sport and Health Sciences, GIH.
    Strand, Leif
    Swedish School of Sport and Health Sciences, GIH.
    Wahlgren, Lina
    Swedish School of Sport and Health Sciences, GIH.
    Wedman, Ingemar
    Swedish School of Sport and Health Sciences, GIH.
    Ekblom, Örjan
    Swedish School of Sport and Health Sciences, GIH.
    Physical activity for persons with obesity—a health project reported2008In: Forum on Public Policy Online, ISSN 1938-9809, Vol. 4, no SpringArticle in journal (Refereed)
    Abstract [en]

    In public health contexts, increased physical activity habits and fitness (aerobic and strength capacities) are positively related for promoting health and preventing  and treating common diseases/problems, including obesity and overweight. A strongly graded inverse association between physical activity and obesity has been shown both for adults and children. However, a lower mortality risk has been shown for those with greater weight but good aerobic capacity than for those of recommended weight but less fit. On the basis of a health project with physical activity for persons with or without obesity, the paper discusses evidence-based methods for promoting physical activity. General guidelines for the amount of physical activity for persons are described, as are the numerous physiological and medical advantages of physical activity. The economic benefits are also illustrated. The paper exemplifies methods of measuring physical activity habits and physical fitness. These two factors must be observed when showing improvements in public-health contexts, including groups with obesity.

     

  • 10.
    Andersson, Eva A
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology. Karolinska institutet.
    Frank, Per
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology. Karolinska institutet.
    Pontén, Marjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology.
    Ekblom, Björn
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Björn Ekblom's research group.
    Ekblom, Maria
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology. Karolinska institutet.
    Moberg, Marcus
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology.
    Sahlin, Kent
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology.
    Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People.2017In: Journal of Visualized Experiments, ISSN 1940-087X, E-ISSN 1940-087X, no 125Article in journal (Refereed)
    Abstract [en]

    This protocol describes the simultaneous use of a broad span of methods to examine muscle aerobic capacity, glucose tolerance, strength, and power in elderly people performing short-term resistance training (RET). Supervised progressive resistance training for 1 h three times a week over 8 weeks was performed by RET participants (71±1 years, range 65-80). Compared to a control group without training, the RET showed improvements on the measures used to indicate strength, power, glucose tolerance, and several parameters of muscle aerobic capacity. Strength training was performed in a gym with only robust fitness equipment. An isokinetic dynamometer for knee extensor strength permitted the measurement of concentric, eccentric, and static strength, which increased for the RET group (8-12% post- versus pre-test). The power (rate of force development, RFD) at the initial 0-30 ms also showed an increase for the RET group (52%). A glucose tolerance test with frequent blood glucose measurements showed improvements only for the RET group in terms of blood glucose values after 2 h (14%) and the area under the curve (21%). The blood lipid profile also improved (8%). From muscle biopsy samples prepared using histochemistry, the amount of fiber type IIa increased, and a trend towards a decrease in IIx in the RET group reflected a change to a more oxidative profile in terms of fiber composition. Western blot (to determine the protein content related to the signaling for muscle protein synthesis) showed a rise of 69% in both Akt and mTOR in the RET group; this also showed an increase in mitochondrial proteins for OXPHOS complex II and citrate synthase (both ~30%) and for complex IV (90%), in only the RET group. We demonstrate that this type of progressive resistance training offers various improvements (e.g., strength, power, aerobic capacity, glucose tolerance, and plasma lipid profile).

  • 11.
    Andersson, Eva A
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Grundström, Helen
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Diverging intramuscular activity patterns in back and abdominal muscles during trunk rotation.2002In: Spine, ISSN 1528-1159, Vol. 27, no 6, p. E152-60Article in journal (Refereed)
    Abstract [en]

    STUDY DESIGN: An intramuscular electromyographic study was performed on trunk rotations during sitting and standing. OBJECTIVE: The aim was to provide new information on activation levels for deep trunk muscles in various unresisted and resisted trunk rotations. SUMMARY AND BACKGROUND DATA: Frequent daily trunk twisting and decreased maximal strength during trunk rotation have been associated with low back pain or sciatic pain. However, the involvement of deep trunk muscles during different trunk rotations is relatively unknown. METHODS: Ten healthy subjects participated. Fine-wire electrodes were inserted, under ultrasound guidance, into psoas, quadratus lumborum, the superficial medial lumbar erector spinae (ES-s, multifidus) and its deep lateral portion (ES-d, iliocostalis), iliacus, rectus abdominis, obliquus externus, and obliquus internus. RESULTS: The highest involvement for all muscles was observed on the ipsilateral side, in maximal trunk twists with shoulder resistance, except obliquus externus, which showed a dominant contralateral side, and rectus abdominis, which was little activated in all rotations. In contrast, maximal trunk twist without shoulder resistance, i.e., freely performed, resulted generally in lower levels for all muscles involved and in a shift of side dominance for the lumbar muscles quadratus lumborum, psoas, and ES-s. CONCLUSIONS: During trunk rotations the activity patterns for various trunk muscles could drastically change, and even be the opposite, between the two body sides, within the same type of task, depending on several factors such as initial position, effort level, sitting or standing, and external shoulder resistance.

  • 12.
    Andersson, Eva A
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Lundahl, Gunilla
    Ortivus AB, Danderyd.
    Wecke, Liliane
    Institutionen för Kardiologi, KI, KS.
    Lindblom, Ida
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Maximal Aerobic Power versus Performance in Two Aerobic Endurance Tests among Young and Old Adults2011In: Gerontology, ISSN 0304-324X, E-ISSN 1423-0003, no Aug, p. 1-11Article in journal (Refereed)
    Abstract [en]

    Background: Aerobic fitness is of great value for reducing risk of mortality and cardiovascular diseases. Objective: This study evaluated the performance in and correlations between a new test (five-minute pyramid test, 5MPT), the six-minute walk-test (6MWT) and maximal oxygen uptake (VO(2max)) among old and young adults. Methods: Forty-four habitually active adults (females and males), 23 old (64-79 years) and 21 young (20-32 years) participated. In the 5MPT, the participants moved back and forth along a short walkway (5.5 m) over boxes (height: 'old people' 0.42 m, 'young people' 0.62 m) arranged like an elongated step pyramid for 5 min. Power in the pyramid test (5MPT(power)) was calculated as the product of numbers of laps, body weight, gravity and highest box level divided by time. A 6MWT and a maximal cycle ergometer test for direct measurements of VO(2max) were also performed. In all tests heart rate, with on-line electrocardiography, and perceived exertion were recorded. Results: There was a strong correlation between the 5MPT(power) and VO(2max) for the entire group studied (r = 0.98), and each of the four subgroups old and young females and males separately (r = 0.78-0.98). Contrary to several earlier studies, especially involving people with various diseases, the present data showed that 6MWT cannot be used to predict VO(2max) among old females and young adults. The correlation with VO(2max) was weaker for the 6MWT than for the 5MPT(power). The relative performance values for the old compared to the young (ratio old/young × 100) were considerably lower in 5MPT(power) and VO(2max) (47-55%) than in distance and 'work' in the 6MWT (82-86%). Conclusions: The results, with age and gender variations, can be valuable information in health-fitness contexts, since measuring physical aerobic capacity is very significant in connection with risk evaluations of mortality and various diseases. The 5MPT is a rapid, functional, easy and inexpensive tool for predicting assessed maximal aerobic power.

  • 13.
    Andersson, Eva A
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Ma, Z
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Relative EMG levels in training exercises for abdominal and hip flexor muscles.1998In: Scandinavian Journal of Rehabilitation Medicine, ISSN 0036-5505, E-ISSN 1940-2228, Vol. 30, no 3, p. 175-83Article in journal (Refereed)
    Abstract [en]

    The main purpose of our study was to compare systematically EMG levels in sub-maximal training exercises for the trunk and hip flexor muscles with those voluntarily attainable in corresponding situations. Six healthy subjects performed three types of standardized training exercises, whose static positions, movement velocity and range of motion were reproduced during maximal voluntary isokinetic strength tests. EMG was recorded with wire electrodes from the iliacus muscle and with surface electrodes from the rectus femoris, sartorius, rectus abdominis, obliquus externus and internus muscles. The relative EMG values demonstrated a task dependency which could differ between individual muscles. The maximal voluntary activation levels were relatively constant across conditions. Exceptions were present, particularly for the rectus femoris and iliacus muscles. These findings highlight the consequences of using different methods of normalizing EMG. The relative EMG values presented may serve as guidelines when selecting training exercises for specific trunk and hip flexor muscles in sports and rehabilitation.

  • 14.
    Andersson, Eva A
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Ma, Z
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Abdominal and hip flexor muscle activation during various training exercises.1997In: European Journal of Applied Physiology and Occupational Physiology, ISSN 0301-5548, E-ISSN 1432-1025, Vol. 75, no 2, p. 115-23Article in journal (Refereed)
    Abstract [en]

    The purpose of this study was to provide objective information on the involvement of different abdominal and hip flexor muscles during various types of common training exercises used in rehabilitation and sport. Six healthy male subjects performed altogether 38 different static and dynamic training exercises trunk and hip flexion sit-ups, with various combinations of leg position and support, and bi- and unilateral leg lifts. Myoelectric activity was recorded with surface electrodes from the rectus abdominis, obliquus externus, obliquus internus, rectus femoris, and sartorius muscles and with indwelling fine-wire electrodes from the iliacus muscle. The mean electromyogram amplitude, normalised to the highest observed value, was compared between static and dynamic exercises separately. The hip flexors were highly activated only in exercises involving hip flexion, either lifting the whole upper body or the legs. In contrast, the abdominal muscles showed marked activation both during trunk and hip flexion sit-ups. In hip flexion sit-ups, flexed and supported legs increased hip flexor activation, whereas such modifications did not generally alter the activation level of the abdominals. Bilateral, but not unilateral, leg lifts required activation of abdominal muscles. In trunk flexion sit-ups an increased activation of the abdominal muscles was observed with increased flexion angle, whereas the opposite was true for hip flexion sit-ups. Bilateral leg lifts resulted in higher activity levels than hip flexion sit-ups for the iliacus and sartorius muscles, while the opposite was true for rectus femoris muscles. These data could serve as a basis for improving the design and specificity of test and training exercises.

  • 15.
    Andersson, Eva A
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Intramuscular EMG from the hip flexor muscles during human locomotion.1997In: Acta Physiologica Scandinavica, ISSN 0001-6772, E-ISSN 1365-201X, Vol. 161, no 3, p. 361-70Article in journal (Refereed)
    Abstract [en]

    The purpose was to investigate the activation pattern of five major hip flexor muscles and its adaptation to changing speed and mode of progression. A total of 11 healthy subjects performed walking and running on a motor-driven treadmill at speeds ranging from 1.0 to 6.0 m s-1. Intramuscular fine-wire electrodes were used to record myoelectric signals from the iliacus, psoas, sartorius, rectus femoris and tensor fascia latae muscles. The basic pattern, with respect to number of activation periods, remained the same irrespective of speed and mode of progression. However, differences in the relative duration and timing of onset of activation occurred between individual muscles. Over the speed range in walking, a progressively earlier onset was generally seen for the activation period related to hip flexion. Changes in EMG amplitude were measured in the iliacus and psoas muscles and showed a marked increase and difference between walking and running at speeds above 2.0 m s-1. Thus, the alternating flexion-extension movements at the hip during locomotion appear to be governed by a rather fixed 'neural program' which normally only needs minor modulations to accomplish the adjustments accompanying an increase in speed of progression as well as a change from walking to running.

  • 16.
    Andersson, Eva A.
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Rönquist, Gustaf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Oddsson, Kristjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Ekblom, Örjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Björn Ekblom's research group.
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Äldre blir starkare av Hälsoprojektet2013In: Svensk Idrottsforskning: Organ för Centrum för Idrottsforskning, ISSN 1103-4629, Vol. 22, no 1, p. 25-27Article in journal (Other academic)
    Abstract [sv]

    En god kondition och styrka har samband med förbättrad hälsa, minskad förekomst av flera folksjukdomar samt ökad livslängd. Fysiologiska tester kan vara stimulerande för äldre att följa utvecklingen av sin fysiska kapacitet och för olika aktörer som vill göra hälsoutvärderingar.

  • 17.
    Andersson, Eva A
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Utvärdering av träningsövningar för buk- och höftmuskulaturen.1993In: Arbetsmiljöfondens Sammanfattningar, no 1563, p. 1-8Article, review/survey (Other academic)
  • 18.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Hovland, Anders
    Universitetet i Bergen, Solli Distriktspsykiatriske Senter, Nesttun, Norge.
    Kjellman, Bengt
    Psykiatrikliniken, Uppsala Akademiska sjukhuset.
    Taube, Jill
    Själ och Kropp, Stockholm.
    Martinsen, Egil
    Universitetet i Oslo, Kliniken för psykisk hälsa och beroende, Oslo universitetssjukhus.
    Fysisk aktivitet lika bra som KBT eller läkemedel vid depression2015In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, no 47, p. 2102-2104Article in journal (Refereed)
    Abstract [sv]

    Fyisk aktivitet har dokumenterad effekt vid depression. Effekten är lika god som effekten av antidepressiva läkemedel eller kognitiv beteendeterapi (KBT) vid lindrig till måttlig depression. Dessutom är fysisk aktivitet i stort sett biverkningsfritt.

  • 19.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Hovland, Anders
    Kjellman, Bengt
    Taube, Jill
    Martinsen, Egil W.
    Fysisk aktivitet är lika bra som läkemedel eller samtalsterapi vid depression2016In: Idrottsmedicin, ISSN 2001-3302, Vol. 35, no 1, p. 4-7Article in journal (Other academic)
  • 20.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Kallings, Lena
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Björn Ekblom's research group.
    Hultgren, Staffan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Kraepelien Strid, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Hälsopedagogprogrammet2014In: Från Kungl. Gymnastiska Centralinstitutet till Gymnastik- och idrottshögskolan: en betraktelse av de senaste 25 åren som del av en 200-årig historia / [ed] Suzanne Lundvall, Stockholm: Gymnastik- och idrottshögskolan, GIH , 2014, p. 108-116Chapter in book (Other (popular science, discussion, etc.))
  • 21.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Can a six-minute shuttle walk test predict maximal oxygen uptake?2011In: Gazzetta Medica Italiana, ISSN 0393-3660, E-ISSN 1827-1812, Vol. 170, no 3, p. 163-70Article in journal (Refereed)
    Abstract [en]

    Aim. This study evaluates the results of and correlations between the six-minute walk-test (6MWT) and a maximal oxygen uptake (VO2max) test among physically active young adults.

    Methods. Sixty-three adults (33 females and 30 males) aged 18-38 years participated. 6MWT and a maximal running treadmill test for measurements of VO2max were performed. 6MWT reliability was also evaluated.

    Results. Mean distance in the 6MWT for the females was 848 (685-976) m and for the males 866 (704-1077) m. The gender differences were considerably less for the 6MWT (2%) than in the VO2max test, both normalized to body weight (21%) and in absolute form (35%). The mean values, for the female and male subjects in the VO2max were 46.7 and 58.9 ml/kg/min and 2.94 and 4.53 l/min, respectively. The data showed a very low, not significant, correlation (r=-0.02-0.32) between walking distance in the 6MWT and VO2max.

    Conclusions: The 6MWT-distance for this physically active young adult group, which previously not has been studied, was considerably higher than in earlier reports for various other groups. In contrast to several prior studies, especially involving people with various diseases, the present data, on healthy active adults, showed that distance in the 6MWT cannot predict maximal oxygen uptake. The present results may be related to the low potential of walking as a locomotor form to tax the cardio-respiratory system sufficiently for this group. Since aerobic capacity is correlated with increased survival, these new data and given comparisons with previous reports are specially valuable when evaluating fitness in various sports and health contexts. 

     

  • 22.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    och medarbetare, se rapport,
    Hälsoprojekt med fysisk aktivitet på Gymnastik- och idrottshögskolan, GIH - Läsåret 2005/20062007Report (Other academic)
    Abstract [sv]

    SYFTE SAMT KORT BESKRIVNING AV HÄLSOPROJEKTET. Syftet med undersökningen var att i samarbete med hälso- och sjukvården och andra intressenter genomföra ett kostnadsfritt hälsoprojekt med fr.a. ledarledd fysisk aktivitet speciellt för personer med olika folksjukdomar men även friska i varierande åldrar. Sammanlagt 228 personer deltog för första gången i hela hälsoprojektet under en termin, dels hösten 2005 (114 deltagare) och dels våren 2006 (114 andra nya deltagare) med för- och eftertester. Initialt och i slutet av respektive termin utfördes varierande fysiologiska tester rörande kondition, styrka, rörlighet och balans samt GIH:s hälsoenkät om upplevd hälsa och olika levnadsvanor såsom fysisk aktivitet, kost, alkohol, rökning, sömn och tid för rekreation.

    METODER. Deltagarna anmälde sig själva eller via hälso- och/eller sjukvårdspersonal på Stockholms vårdcentraler, psykiatriska mottagningar eller friskvårdsföretag. Utöver de sammanlagt 228 som medverkade i hela projektet var det fler som deltog i endast det initiala testerna och var närvarande till viss del under respektive termin. Således föll vissa deltagare bort under projektperioderna av olika anledningar. I denna rapport sammanställs data endast för dem som fullföljde projektet med deltagande vid såväl för- som eftertester (n=228, varav 46 män och 182 kvinnor). Bland dessa 228 deltagare (medelålder 57 år, 22-88 år) sågs vid det initiala testet att det endast var 5% som var fysiskt aktiva 30 minuter/dag samt att minst 2/3 var överviktiga och 1/3 obesa. Projekten utgjordes primärt av, 2 ggr/vecka, ledarledd fysisk aktivitet såsom stavgång, motionsgymnastik, vattengymnastik, styrketräning i gym samt i motionshall med den egna kroppen som belastning. Många andra typer av fysisk aktivitet/verksamheter utfördes även såsom afrikansk dans, yoga, massage, qigong, klättring, spinning, boxer size etc. I samband med den initiala hälsoenkätundersökningen och utförandet av de fysiologiska testerna genomfördes ett hälsosamtal. Hälsoprojekten utfördes inom undervisningen i regi av GIH-studenter under handledning av lärare/läkare på GIH samt externt.

    RESULTAT. GIH:s HÄLSOENKÄT. Signifikant förbättring sågs för gruppen som helhet (n: 228) vid sluttestet jämfört med initialt under projektperioden för följande enkätparametrar: kroppslig hälsa; själslig hälsa; samtliga upplevelsefrågor kring såväl arbetsliv som fritid; sömn; tid för reflektion; tid för avkoppling; samt socialt nätverk. Särskilt hög signifikans sågs för majoriteten av frågorna kring fysiska aktivitetsvanor. Den enda frågan om fysisk aktivitetsvanor som inte förändrades signifikant för gruppen som helhet var frågan kring kroppslig ansträngningsgrad i det dagliga arbetet. Däremot sågs det dagliga stillasittandet minska signifikant. Spridda signifikanta förbättringar gällande kost noterades. Dessa var val av fettsnåla produkter; grönsaksintag; konsumtion av chips och jordnötter; samt kaffebröd. Ingen signifikant förändring sågs för frågor kring övriga kulturella vanor, regelbundenhet i måltider eller för frukt- och fiberintag. Konsumtion av choklad/godis, glass, läsk/saft samt kaffe, te, alkohol och tobak förändrades inte heller signifikant.

    FYSIOLOGISKA TESTER. Val av olika fysiologiska tester var upp till GIH-studenterna som projektledare att själva välja ut. Därmed är här antalet testade lägre jämfört med dem som fyllde i hälsoenkäten, vilken generellt alla deltagare genomförde. Signifikant förbättring mellan efter- och förtest sågs för konditions och gångtesterna Åstrands cykelergometertest (l/min, 9%, n:74), gångtest (9%, n:89) samt steptest (14%, n:7), men inte för Åstrands test uttryckt i ml/kg x min (7%, n:65). Vid statisk ryggmuskeltest med bålen i horisontalläge utanför en bänk med fixerade ben sågs en signifikant förbättring med 62% för de 53 deltagare som utförde detta test. Av de olika buk- inklusive höftböjarmuskeltesterna, utförda som höftböjningssit-up med böjda ben och stöd, sågs en signifikant förbättring för alla dynamiska och statiska testerna sammantagna (68%, n:64) samt vid bentestet stående med höft- och knäleder i 90 graders vinkel stödjandes bålen mot en vägg (40%, n: 40). Bland styrketester för skuldra-, arm- och handmuskulatur sågs en signifikant förbättring i axelpress, dvs växelvisa sträckningar med en 2- eller 4kg´s hantel från axelhöjd till raka armar upp mot taket maximalt antal gånger, (55%, n:9); vid push-ups, då antalet armhävningar antingen utförda med knäna eller fötterna i golvet räknades, (136%, n:17); samt i gripstyrka höger hand (17%, n:113). En liten förbättring, dock signifikant (knappt 1%), sågs både för uppmätt vikt (n: 169) samt för BMI (n:154) beräknat på denna vikt mellan det initiala och slutliga hälsotestet. Detsamma gällde midje- (2%) och höftmått (1%) samt midje-/höftkvot (knappt 1%) med en signifikant förbättring för män och kvinnor sammantagna (n: minst 34). Ingen signifikant skillnad i uppmätt vilopuls noterades. En signifikant förbättring sågs för rörlighetstesterna stående bålflexion (24%, n:20) och majoriteten av sidböjningstester av bålen (6-12%, n: upp till 37). För det speciellt utformade skulderrörlighetstestet framkom inga klara generella förändringar. Balanstestet stående på ett ben där man registrerade antal nedtramp på en minut visade ingen signifikant förändring mellan för- och eftertest vare sig på höger (n:24) eller vänster ben (n=23).

    SLUTKOMMENTAR. För ledare, hälso- och sjukvårdspersonal samt utövare inom varierande hälso-, idrotts-, arbets- eller rehabiliteringssammanhang kan det vara av vikt att få kunskaper om vilka typer av fysiologiska tester och hälsoenkätfrågor som kan påverkas av hälsoprojekt med ledarledd fysisk aktivitet och andra hälsofrämjande åtgärder. Av speciell vikt är att se om projekt som dessa kan resultera i ökade fysisk aktivitetsvanor och ökad fysisk kapacitet som båda är faktorer positivt korrelerade till en mängd folksjukdomar. I så fall stärks det faktum att liknande hälsofrämjande åtgärder med ledarledd fysisk aktivitet kan bidra till sjukdomsprevention och sjukdomsbehandling.

  • 23.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Oddsson, Kristjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Skador & sjukdomar: Akut omhändertagande inom idrotten2015Book (Other (popular science, discussion, etc.))
    Abstract [sv]

    Olika skador i rörelseapparaten och hur man agerar vid akuta sjukdoms- eller olycksfall ingår. Den första delen innehåller bland annat en genomgång av skadetyper kroppsdel för kroppsdel, samt ett avsnitt om tejpning. I den andra delen har det gjorts ett urval av olika akuta sjukdoms- och skadetillstånd som kan förekomma i samband med fysisk aktivitet. På ett enkelt och sakligt sätt beskrivs skador och sjukdomar som av olika anledningar drabbar fysiskt aktiva personer och vilken/vilka åtgärder som ska sättas in när olyckan är framme. Du får veta vad du kan göra själv och vad som måste behandlas av läkare.

  • 24.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Oddsson, Kristjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Ekblom, Örjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Björn Ekblom's research group.
    Wahlgren, Lina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Research Unit for Movement, Health and Environment.
    Kjellman, Bengt
    Jonsson, Bo
    Taube, Jill
    Improved Physical Capacity in a Project with Guided Physical Activity for Persons with Depression or Anxiety.2010Conference paper (Refereed)
    Abstract [en]

    Background: Higher physical capacity is correlated with increased health. Knowledge in this area regarding psychiatric diseases is sparse. 

    Purpose: The aim was to study aerobic and several strength capacities in a physical activity project for persons with depression or anxiety.

    Methods: Eighty-four persons (56 women and 28 men) with depression or anxiety were recruited from psychiatric out-patient clinics in Stockholm. Their mean age and BMI was 46 (21-80) years and 26 (17-41) kg/m2, respectively. 50% were sick-listed. 50% had BMI>25. Aerobic and strength tests were chosen by each subgroup´s project leaders. Directed physical activity was given, in groups 10-15, 1 hour twice/week during 8-12 weeks.

    Results: Significant changes (p<0.05, of all n=84) between pre- and post tests were seen in submaximal cycle test (11% enhanced values, n=56) and distance of 6 minutes walk test (16%, n=15) as well as in strength tests for the back for the back (i.e. time in static horizontal belly-back, 40%, n=44), abdominal and hip flexors (i.e. number of hip flexion sit-ups, 45%, n=38), leg (i.e. standing with 90O in hips and knees, 48%, n=56) and arm with shoulder muscles (i.e. number of raising weights alternately with the arms, 46%, n=32). Hand grip tests, BMI or blood pressure values did not change significantly.

    Conclusions: Directed 8-12 weeks physical activity programs can improve physical fitness in individuals with depression or anxiety.

  • 25.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Oddsson, L
    Grundström, H
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    EMG activities of the quadratus lumborum and erector spinae muscles during flexion-relaxation and other motor tasks.1996In: Clinical biomechanics (Bristol, Avon), Vol. 11, no 7, p. 392-400Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: The aim of this study was to provide new information on the myoelectrical activation of the quadratus lumborum, the deep lateral and the superficial medial lumbar erector spinae, the psoas, and the iliacus muscles in various motor tasks. DESIGN: An intramuscular electromyographic study was performed. BACKGROUND: The contribution of individual deep trunk muscles to the stability of the lumbar spine is relatively unknown in different tasks, including the flexion-relaxation phenomenon. METHODS: Seven healthy subjects participated. Fine-wire electrodes were inserted with a needle guided by ultrasound. RESULTS: The highest activity observed for quadratus lumborum and deep lateral erector spinae occurred in ipsilateral trunk flexion in a side-lying position and for superficial medial erector spinae during bilateral leg lift in a prone position. Quadratus lumborum and deep lateral erector spinae were activated when the flexion-relaxation phenomenon was present for superficial medial erector spinae, i.e. when its activity ceased in the latter part of full forward flexion of the trunk, held relaxed and kyphotic. CONCLUSIONS: In general, the activation of the investigated muscles showed a high degree of task specificity, where activation of a certain muscle was not always predictable from its anatomical arrangement and mechanical advantage.

  • 26.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Oddsson, L
    Grundström, H
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    The role of the psoas and iliacus muscles for stability and movement of the lumbar spine, pelvis and hip.1995In: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 5, no 1, p. 10-6Article in journal (Refereed)
    Abstract [en]

    The activation patterns of the psoas and iliacus muscles were investigated in 7 healthy adult subjects (4 men and 3 women) during a variety of motor tasks in standing, sitting and lying. Myoelectric activity was recorded simultaneously from the 2 muscles using thin wire electrodes inserted under guidance of high-resolution ultrasound. In general, both muscles were coactivated, albeit to different relative levels, particularly when hip flexor torque was required. Selective activation of the iliacus could, however, be seen to stabilize the pelvis in contralateral hip extension during standing. Psoas was found to be selectively involved in sitting with a straight back and in contralateral loading situations requiring stabilization of the spine in the frontal plane. During training exercises from a supine position, such as sit-ups, the contribution of the psoas and iliacus muscles could be varied by changing the range of motion as well as the position and support for the legs. Thus, the 2 anatomically different muscles of the iliopsoas complex were shown to have individual and task-specific activation patterns depending on the particular demands for stability and movement at the lumbar spine, pelvis and hip.

  • 27.
    Andersson, Eva
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Swärd, L
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Trunk muscle strength in athletes.1988In: Medicine & Science in Sports & Exercise, ISSN 0195-9131, E-ISSN 1530-0315, Vol. 20, no 6, p. 587-93Article in journal (Refereed)
    Abstract [en]

    Maximal voluntary strength of the trunk muscles was measured in 57 male elite athletes (soccer players, wrestlers, tennis players, and gymnasts), 14 female elite gymnasts, and in a normal group of 87 conscripts. Mean ages in the different groups ranged from 18-22 yr. An isokinetic (constant velocity) technique was used to record maximal torque produced by trunk and hip muscles during flexion, extension, and lateral flexion over the range of motion. The constant angular velocities used were 15 deg.s-1 and 30 deg.s-1, respectively. Isometric strength was measured in a straight body position (0 deg. of flexion). The measurements were made with the subjects in a horizontal position with the pivot point at the hip and at the lumbar (L2-L3) level. All male athlete groups showed higher peak torque values than the normals. The differences were largest in hip extension and trunk flexion. The male gymnasts also showed significantly higher peak values in hip flexion as compared to all other categories. There was no difference in strength per kg body weight between female gymnasts and untrained males, except in trunk extension. The position for peak torque occurred earlier in the movements for the athletes, especially for the gymnasts in extension movements and for the tennis players in flexion movements. In isometric contractions essentially the same strength differences were present as in the slow isokinetic contractions. In lateral flexion wrestlers and tennis players showed significantly higher strength in movements toward the nondominant side. Thus, differences were present between the athletes and the normals, some of which appeared to be sport specific and related to long-term systematic training.(ABSTRACT TRUNCATED AT 250 WORDS)

  • 28.
    Berthelson, Per
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Research group for Mitokondriell funktion och metabolisk kontroll.
    Katz, Abram
    Institutionen för Fysiologi och Farmakologi, Karolinska Instititutet.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH.
    Sahlin, Kent
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Research group for Mitokondriell funktion och metabolisk kontroll.
    Acute exercise and starvation induced insulin resistance2012In: Medicine & Science In Sports & Exercise, 2012, S498 Vol. 44 No. 5 Supplement. 2661., 2012, p. 2661-Conference paper (Other academic)
    Abstract [en]

    It is well known that starvation causes insulin resistance. The mechanism is unclear but may relate disturbances in lipid metabolism i.e. incomplete mitochondrial FA oxidation and/or accumulation of lipid intermediates. Exercise results in increased substrate oxidation and may thus remove interfering lipid metabolites and reverse starvation-induced insulin resistance. However, the effect of acute exercise and starvation on insulin sensitivity is not known.

    Purpose: The aim of this study was to investigate the effect of exercise on starvation-induced insulin resistance and to elucidate potential mechanisms.

    Methods: Nine healthy lean subjects underwent 84h starvation on two occasions separated by at least 2 weeks. The starvation period was followed by either exercise (EX; 5x10 min intervals with 2-4 min rest, starting at 70 %VO2 max) or an equal period of rest (NE). Before and after the starvation period (3h after exercise/rest) subjects were investigated with muscle biopsies, bloo samples and an intravenous glucose tolerance test. Muscle samples were used for measurement of mitochondrial respiration in permeabilized muscle fibers (Oroboros oxygraph), glycogen content and activation of signaling proteins.

    Results: Insulin sensitivity was significantly higher in the EX group compared to the NE group (p<0.05). After starvation mitochondrial respiration was lower in both groups with complex I substrates whereas respiration with complex I+II substrates was higher in EX (p<0.05 vs. basal and NE). Muscle glycogen was decreased to 73% (NE) and 31% (EX) of the basal values. The EX group had a significant increased activation of AS160. Plasma FA increased 3-4 fold to 1.39±0.32(NE) and 1.80±0.49 (EX) (mmol/l) after starvation and plasma beta-hydroxybutyrate increased about 50-fold to 6.43±2.01(NE) and 7.12±1.59 (EX)(mmol/l).

    Conclusion: Acute exercise reverses starvation-induced insulin resistance. Plasma FA and BOH were increased to similar extent after NE and EX and cannot explain the changes in insulin sensitivity. However, an increased substrate oxidation together with the observed increased capacity for mitochondrial FA oxidation after EX may be involved in the activation of AS160 and the reversal of starvation-induced insulin resistance.

  • 29.
    Bratland-Sanda, Solfrid
    et al.
    University College of Southeast Norway.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control. Karolinska institutet.
    Best, James
    Jaeren Psychiatric Center, Norway.
    Høegmark, Simon
    Naturama Museum, Denmark.
    Roessler, Kirsten Kaya
    University of Southern Denmark.
    The use of physical activity, sport and outdoor life as tools of psychosocial intervention: the Nordic perspective2017In: Sport in Society: Cultures, Media, Politics, Commerce, ISSN 1743-0437, E-ISSN 1743-0445, p. 1-17Article in journal (Refereed)
    Abstract [en]

    The core values in the Nordic welfare model are health equality and social inclusion. Individuals with mental disorders and/or a history of substance use disorder are often excluded from the core value of equality. Psychosocial interventions such as physical activity and outdoor life can have several benefits for those suffering from mental disorders. Firstly, such interventions can have therapeutic effects. Secondly, they show benefits for somatic health and the risk of lifestyle-related diseases. Finally, they can provide an environment for experiencing self-efficacy, lead to improved quality of life, and promote the development and building of social relationships. This paper provides a critical review of current evidence for physical activity and outdoor life as psychosocial interventions in psychiatric and substance misuse treatment, with specific examples from Norway, Sweden and Denmark.

  • 30.
    da Silva, Julio Cézar Lima
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Tarassova, Olga
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Ekblom, Maria
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Rönquist, Gustaf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Arndt, Anton
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Quadriceps and hamstring muscle activity during cycling as measured with intramuscular electromyography.2016In: European Journal of Applied Physiology, ISSN 1439-6319, E-ISSN 1439-6327, Vol. 116, no 9, p. 1807-1817Article in journal (Refereed)
    Abstract [en]

    PURPOSE: The aim of this study was to describe thigh muscle activation during cycling using intramuscular electromyographic recordings of eight thigh muscles, including the biceps femoris short head (BFS) and the vastus intermedius (Vint).

    METHODS: Nine experienced cyclists performed an incremental test (start at 170 W and increased by 20 W every 2 min) on a bicycle ergometer either for a maximum of 20 min or to fatigue. Intramuscular electromyography (EMG) of eight muscles and kinematic data of the right lower limb were recorded during the last 20 s in the second workload (190 W). EMG data were normalized to the peak activity occurring during this workload. Statistical significance was assumed at p ≤ 0.05.

    RESULTS: The vastii showed a greater activation during the 1st quadrant compared to other quadrants. The rectus femoris (RF) showed a similar activation, but with two bursts in the 1st and 4th quadrants in three subjects. This behavior may be explained by the bi-articular function during the cycling movement. Both the BFS and Vint were activated longer than, but in synergy with their respective agonistic superficial muscles.

    CONCLUSION: Intramuscular EMG was used to verify muscle activation during cycling. The activation pattern of deep muscles (Vint and BFS) could, therefore, be described and compared to that of the more superficial muscles. The complex coordination of quadriceps and hamstring muscles during cycling was described in detail.

  • 31. Danielsson, Evelina
    et al.
    Oddsson, Kristjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Fredriksson, Mårten
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Ovendal, Alexander
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Ekblom, Örjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Wahlgren, Lina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Hultgren, Staffan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Hälsoprojekt med ledarledd fysisk aktivitet för äldre2012Conference paper (Other academic)
    Abstract [sv]

    Bakgrund och syfte. Syftet med hälsoprojektet under 8-12 veckor för äldre är att ge ledarledd fysisk aktivitet 2 gånger/vecka samt att utvärdera upplevd hälsa, förändring av livsstilssvanor samt fysisk kapacitet. Hälsoprojektet är ett fortlöpande samarbete mellan Solna stad och Gymnastik- och idrottshögskolan (GIH) och utförs under vårterminerna sedan ett flertal år.

    Metod. Individerna anmäler sitt deltagande själva. Det kostnadsfria hälsoprojektet utförs inom undervisningen i Folkhälsa i regi av GIH-studenter under handledning av verksamhetschefen i Solna stad och lärare/läkare på GIH. Den ledarledda fysiska aktiviteten utgörs primärt av stavgång, motionsgymnastik, vattengymnastik samt styrketräning. Initialt och i slutet av perioden besvarar deltagarna en hälsoenkät angående upplevd hälsa och livsstilsvanor om fysisk aktivitet, kost, sömn, rökning och alkohol samt utför några olika fysiologiska tester i samband med ett hälsosamtal.

    Resultat. Exempel på sammanställda resultat ges här för de 117 äldre som fullföljde hela projektet under en vårtermin (för kvinnorna var antalet samt medelvärden för ålder och BMI 99, 74år och 26 respektive för männen 18, 73år och 25). Efter avslutat projekt sågs för gruppen som helhet generellt en signifikant förbättrad upplevd fysisk och mental hälsa, kondition och styrka i buk-, ben- och armmuskulatur. För kvinnorna observerades även en ökad balansförmåga och uthållighet i ryggmusklerna. Enkätfrågorna angående fysiska aktivitetsvanor och stillasittande visade på, efter avslutat projekt, en förändring till en mer aktiv livsstil.

    Slutsats/Diskussion. Således kan utvärderade 8-12 veckors hälsoprojekt med ledarledd fysisk aktivitet för äldre bidra till förbättrad upplevd hälsa, ökade fysiska aktivitetsvanor, minskat stillasittande och bättre fysiska kapaciteter såsom kondition, styrka och balans som är positivt korrelerade till ökad livslängd och minskad förekomst av en mängd olika folksjukdomar och skador. Fler projekt och studier behövs framöver med ytterligare uppföljningar, jämförelser och för att vidareutveckla olika fysiologiska tester och andra hälsoparametrar som kan ha positiva samband med ökad hälsa.

  • 32.
    Frank, Per
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Research group for Mitokondriell funktion och metabolisk kontroll.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Research group for Mitokondriell funktion och metabolisk kontroll.
    Pontén, Marjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology.
    Ekblom, Björn
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Björn Ekblom's and Mats Börjesson's research group.
    Ekblom, Maria
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Sahlin, Kent
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Research group for Mitokondriell funktion och metabolisk kontroll.
    Strength training improves muscle aerobic capacity and glucose tolerance in elderly2016In: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 26, no 7, p. 764-773Article in journal (Refereed)
    Abstract [en]

    The primary aim of this study was to investigate the effect of short-term resistance training (RET) on mitochondrial protein content and glucose tolerance in elderly. Elderly women and men (age 71 ± 1, mean ± SEM) were assigned to a group performing 8 weeks of resistance training (RET, n = 12) or no training (CON, n = 9). The RET group increased in (i) knee extensor strength (concentric +11 ± 3%, eccentric +8 ± 3% and static +12 ± 3%), (ii) initial (0-30 ms) rate of force development (+52 ± 26%) and (iii) contents of proteins related to signaling of muscle protein synthesis (Akt +69 ± 20 and mammalian target of rapamycin +69 ± 32%). Muscle fiber type composition changed to a more oxidative profile in RET with increased amount of type IIa fibers (+26.9 ± 6.8%) and a trend for decreased amount of type IIx fibers (-16.4 ± 18.2%, P = 0.068). Mitochondrial proteins (OXPHOS complex II, IV, and citrate synthase) increased in RET by +30 ± 11%, +99 ± 31% and +29 ± 8%, respectively. RET resulted in improved oral glucose tolerance measured as reduced area under curve for glucose (-21 ± 26%) and reduced plasma glucose 2 h post-glucose intake (-14 ± 5%). In CON parameters were unchanged or impaired. In conclusion, short-term resistance training in elderly not only improves muscular strength, but results in robust increases in several parameters related to muscle aerobic capacity.

  • 33.
    Frank, Per
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Research group for Mitokondriell funktion och metabolisk kontroll.
    Katz, Abram
    Institutionen för Fysiologi och Farmakologi, Karolinska Institutet.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH.
    Sahlin, Kent
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Research group for Mitokondriell funktion och metabolisk kontroll.
    Acute exercise during starvation improves insulin sensitivity and increases mitochondrial FA oxidation2012Conference paper (Other academic)
    Abstract [en]

    Aim: To investigate if exercise can reverse starvation-induced insulin resistance and to elucidate the mechanism. Methods: Nine subjects underwent 87 h of starvation with (EX) or without (NE) one exercise session at the end. Before and after starvation (3 h post-exercise) subjects underwent an intravenous glucose tolerance test and muscle biopsy. Results: Insulin sensitivity decreased after starvation (NE) but increased after exercise (EX). Glycogen stores were reduced and plasma FA and β-Hydroxybutyrate increased in both conditions. Mitochondrial respiration with FA substrate increased in EX but was unchanged in NE. RCR and mitochondrial ROS production decreased in both conditions. Phosphorylation of Acetyl-CoA carboxylase (ACC) and Akt substrate of 160 kDA (AS160) proteins increased in EX. Conclusion: Exercise improves starvation induced insulin resistance, probably by increased mitochondrial FA oxidation, reduced glycogen stores and alterations in signaling proteins involved in glucose uptake and FA metabolism.

  • 34.
    Frank, Per
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Research group for Mitokondriell funktion och metabolisk kontroll.
    Katz, Abram
    Karolinska Institutet.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Research group for Mitokondriell funktion och metabolisk kontroll.
    Sahlin, Kent
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Research group for Mitokondriell funktion och metabolisk kontroll.
    Acute exercise reverses starvation-mediated insulin resistance in humans.2013In: American Journal of Physiology. Endocrinology and Metabolism, ISSN 0193-1849, E-ISSN 1522-1555, Vol. 304, no 4, p. E436-43Article in journal (Refereed)
    Abstract [en]

    Within 2-3 days of starvation, pronounced insulin resistance develops, possibly mediated by increased lipid load. Here, we show that one exercise bout increases mitochondrial fatty acid (FA) oxidation and reverses starvation-induced insulin resistance. Nine healthy subjects underwent 75-h starvation on two occasions: with no exercise (NE) or with one exercise session at the end of the starvation period (EX). Muscle biopsies were analyzed for mitochondrial function, contents of glycogen, and phosphorylation of regulatory proteins. Glucose tolerance and insulin sensitivity, measured with an intravenous glucose tolerance test (IVGTT), were impaired after starvation, but in EX the response was attenuated or abolished. Glycogen stores were reduced, and plasma FA was increased in both conditions, with a more pronounced effect in EX. After starvation, mitochondrial respiration decreased with complex I substrate (NE and EX), but in EX there was an increased respiration with complex I + II substrate. EX altered regulatory proteins associated with increases in glucose disposal (decreased phosphorylation of glycogen synthase), glucose transport (increased phosphorylation of Akt substrate of 160 kDa), and FA oxidation (increased phosphorylation of acetyl-CoA carboxylase). In conclusion, exercise reversed starvation-induced insulin resistance and was accompanied by reduced glycogen stores, increased lipid oxidation capacity, and activation of signaling proteins involved in glucose transport and FA metabolism.

  • 35.
    Hovland, Anders
    et al.
    Universitet i Bergen.
    Martinsen, Egil W.
    Oslo universitetssykehus.
    Taube, Jill
    Landstinget i Värmland.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Kjellman, Bengt
    Karolinska institutet.
    Fysisk aktivitet vid ångestsyndrom2016In: FYSS 2017: fysisk aktivitet i sjukdomsprevention och sjukdomsbehandling, Läkartidningen förlag , 2016, p. 632-643Chapter in book (Other academic)
    Abstract [sv]

    Sammanfattande rekommendation

    Personer med panikångest bör rekommenderas aerob fysisk aktivitet för att minska ångest. Måttligt starkt vetenskapligt underlag (evidensstyrka +++).

    Ett enstaka aerobt träningspass på hög intensitet minskar risken att utlösa panikångest. Måttligt starkt vetenskapligt underlag (evidensstyrka +++).

    Fysisk aktivitet kan användas som kompletterande behandling vid all form av ångest, då det finns grund för att förvänta en viss symtomreduktion både akut och på längre sikt.

    Den fysiska aktiviteten bör utformas och individanpassas av medicinskt utbildad personal i samråd med individen.

    Personer med ångest, oavsett typ, bör även rekommenderas muskelstärkande fysisk aktivitet enligt de allmänna rekommendationerna om fysisk aktivitet.

  • 36. Huang, Q M
    et al.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Intramuscular myoelectric activity and selective coactivation of trunk muscles during lateral flexion with and without load.2001In: Spine, ISSN 0362-2436, E-ISSN 1528-1159, Vol. 26, no 13, p. 1465-72Article in journal (Refereed)
    Abstract [en]

    STUDY DESIGN: Myoelectric activity of trunk muscles was measured intramuscularly in six healthy subjects as they maintained static trunk postures at 0 degrees, 15 degrees, and 30 degrees of lateral bending, unloaded or holding a 20-kg load in one hand alongside the body. OBJECTIVE: To determine the position and load dependency of the agonistic and antagonistic myoelectric responses of deep and superficial trunk lateral flexor muscles. SUMMARY OF BACKGROUND DATA: Loading of the trunk in lateral bending is associated with incidences of low back pain. The neuromotor control of muscles surrounding the spine may be decisive for its vulnerability. Earlier documentation of the activation pattern of trunk muscles, particularly those situated deeply, is incomplete. METHODS: Trunk angle was measured between S1-C7 and the vertical with a protractor. Electromyographic activity was recorded unilaterally from eight trunk muscles using intramuscular fine-wire electrodes inserted under the guidance of ultrasound. RESULTS: The electromyographic data showed that all muscles on the side contralateral to the load, except rectus abdominis, had their highest activity while loaded in the position most laterally flexed to the loaded side. The degree of bilateral coactivation was greater for the ventral than for the dorsal muscles. CONCLUSIONS: The myoelectric responses of most lumbar trunk muscles to static lateral flexion were dependent on trunk position and loading. The abdominal muscles demonstrated more coactivation than the other trunk muscles, and thus appeared to contribute more to trunk stabilization in laterally bent and loaded trunk positions.

  • 37. Huang, Q-M
    et al.
    Andersson, Eva A
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Specific phase related patterns of trunk muscle activation during lateral lifting and lowering.2003In: Acta Physiologica Scandinavica, ISSN 0001-6772, E-ISSN 1365-201X, Vol. 178, no 1, p. 41-50Article in journal (Refereed)
    Abstract [en]

    AIM: Lateral bending of the trunk has been demonstrated to be a risk factor in connection with injuries to the spine and its surrounding tissues. Adequate co-ordination of muscle controlling movement and stabilization of the trunk is essential to avoid injury. However, little is yet known about the responses of the lumbar trunk muscles during lateral lifting and lowering. The present investigation was therefore designed to study these responses. METHODS: In six subjects performing lateral lifting and lowering of different loads (0-40 kg) held laterally in one hand, the activities of eight trunk muscles were recorded using intramuscular electrodes. In addition, the angular motion of the trunk from side to side was measured from video recordings. Electromyographic amplitudes on both the contra- and ipsi-lateral sides (ipsi = towards the loaded hand) were analysed in relation to defined phases of trunk motion. RESULTS: Three periods of trunk muscle activation were generally observed, two from the contralateral muscles at the beginning and end of the motion and one from the ipsilateral muscles during the mid-part of the motion. The activities of the contralateral muscles increased, whereas the activities of the ipsilateral muscles decreased with increasing load. The degree of bilateral co-activation was greater in ventral than in dorsal muscles, in lowering compared with lifting, and in no-load or low-load compared with heavy load conditions. CONCLUSION: The co-ordination of trunk muscle activations during side-to-side trunk movements is dependent on trunk position and load. It is speculated that ventral muscles, particularly the oblique and transverse abdominal muscles, are relatively more involved than the other trunk muscles in trunk stabilization, especially in connection with lowering of a light hand-held load.

  • 38. Kjellman, Bengt
    et al.
    Martinsen, Egil W
    Aker University Hospital, University of Oslo, Norway.
    Taube, Jill
    Center for Family and Community Medicine, Karolinska Institutet, Stockholm Sweden.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Depression2010In: Physical Activity in the Prevention and Treatment of Disease, Stockholm: Statens folkhälsoinstitut , 2010, p. 325-335Chapter in book (Other academic)
    Abstract [en]

    Physical activity has a positive effect in depression with respect to both preventing depressive episodes, and acute and long-term treatment of episodes that do occur. The physical training is beneficial when conducted parallel to customary treatment with drugs and therapy. Although many studies have methodological problems and there is still a shortage of long term-studies, there is scientific support for using physical training in the acute treatment of mild and moderate depression and as a means to reduce the risk of relapse. A preventive effect has been shown in epidemiological studies and long-term studies followed up to 10 years. Other health effects of physical activity activity are also of importance, as depression often covariates with physical diseases. Physical activity holds great benefit both for the individual and for society.  

  • 39. Kjellman, Bengt
    et al.
    Martinsen, Egil W
    Aker Universitetssjukhus, Universitet i Oslo.
    Taube, Jill
    Centrum för allmän medicin (CEFAM), Karolinska Institutet, Huddinge .
    Andersson, Eva A
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Depression2008In: FYSS 2008 - Fysisk aktivitet i sjukdomsprevention och sjukdomsbehandling / [ed] Yrkesföreningen för fysisk aktivitet (YFA), Statens folhälsoinstitut , 2008, p. 281-291Chapter in book (Other academic)
    Abstract [sv]

    Fysisk aktivitet har positiv effekt vid depression både för att förhindra depressionsepisoder och för att behandla sådana, såväl akut som på längre sikt. Den fysiska träningen sker med fördel parallellt med sedvanlig behandling med mediciner och samtal. Även om många studier har metodologiska brister och att det fortfarande finns få långtidsstudier, har fysisk träning vid lätt och måttlig depression klart vetenskapligt stöd när det gäller akut behandling och som ett medel att minska risken för återfall. En preventiv effekt har konstaterats vid epidemiologiska studier och vid långtidsstudier med uppföljning upp till tio år. Övriga hälsoeffekter av fysisk aktivitet är också viktiga, då depression ofta samvarierar med kroppsliga sjukdomar. Fysisk aktivitet är en stor vinst, både för den enskilda och för samhället.

  • 40.
    Martinsen, Egil
    et al.
    Oslo universitetssjukhus.
    Hovland, Anders
    Universitet i Bergen.
    Kjellman, Bengt
    Psykiatriska öpenvårdsmottagningen Huddinge.
    Taube, Jill
    Landstinget i Värmland.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Fysisk aktivitet vid depression2015In: FYSS 2015, Stockholm: Yrkesföreningen för fysisk aktivitet , 2015, p. 1-12Chapter in book (Other (popular science, discussion, etc.))
    Abstract [sv]

    Fysisk aktivitet kan förebygga insjuknande och återsjuknande i depression.

    Enbart fysisk träning har klart vetenskapligt stöd när det gäller behandling vid lindrig och måttlig depression.

    Fysisk träning som tillägg till sedvanlig behandling i form av samtal och mediciner ger en förstärkt effekt.

    Fysisk aktivitet har utöver effekt på depression också en gynnsam effekt på vanliga komorbida tillstånd, som typ 2-diabetes och hjärt-kärlsjukdom.

    Personer med depression bör rekommenderas fysisk aktivitet som tillägg till samtalsterapi och läkemedel.

  • 41.
    Martinsen, Egil W
    et al.
    Oslo universitetssjukhus.
    Hovland, Anders
    Universitetet i Bergen.
    Kjellman, Bengt
    Karolinska institutet.
    Taube, Jill
    Landstinget i Värmland.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Fysisk aktivitet vid depression2016In: FYSS 2017: fysisk aktivitet i sjukdomsprevention och sjukdomsbehandling, Läkartidningen förlag , 2016, p. 362-370Chapter in book (Other academic)
    Abstract [sv]

    Sammanfattande rekommendation

    Personer med depression bör rekommenderas aerob eller muskelstärkande fysisk aktivitet för att minska depressiva symtom, måttligt starkt vetenskapligt underlag (evidensstyrka +++), och förbättra livskvalitet, begränsat vetenskapligt underlag (evidensstyrka ++).

    Vid lindrig eller måttlig depression reducerar fysisk aktivitet depressiva symtom i liknande grad som antidepressiva läkemedel eller kognitiv beteendeterapi (KBT). Måttligt starkt vetenskapligt underlag (evidensstyrka +++).

    Om enbart muskelstärkande fysisk aktivitet väljs i syfte att behandla depression, bör den kompletteras med aerob fysisk aktivitet för att minska risken för hjärt-kärlsjukdom, eftersom denna risk är förhöjd vid depression.

  • 42.
    Martinsen, Egil W.
    et al.
    Oslo universitetssjukhus.
    Hovland, Anders
    Universitet i Bergen.
    Kjellman, Bengt
    Karolinska insitutet.
    Taube, Jill
    Landstinget i Värmland.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control. Karolinska institutet.
    Fysisk aktivitet vid depression: Forskning pågår2017In: Fysioterapi, ISSN 1653-5804, no 5, p. 34-39Article in journal (Other academic)
    Abstract [sv]

    Vi har nöjet att publicera kapitel 2.8 Fysisk aktivitet vid depression ur  Fysisk aktivitet i sjukdomsprevention och sjukdomsbehandling, FYSS 2017  med tillstånd av Yrkesföreningar för Fysisk Aktivitet (YFA). Detta kapitel samt  ytterligare drygt 30 kapitel ur FYSS 2017 kan laddas ner från www.fyss.se.  Samtliga 53 kapitel är samlade i boken FYSS 2017 utgiven av Läkartidningen förlag AB.

    SAMMANFATTANDE REKOMMENDATION •  Personer med depression bör rekommenderas aerob eller muskelstärkande fysisk aktivitet för att minska depressiva symtom. Måttligt starkt vetenskapligt underlag (evidensstyrka +++). •  Fysisk aktivitet reducerar depressiva symtom i liknande grad som antidepressiva läkemedel eller KBT vid lindrig och måttlig depression. Måttligt starkt vetenskapligt underlag (evidensstyrka +++). •  Om enbart muskelstärkande fysisk aktivitet väljs i syfte att behandla depression, bör den kompletteras med aerob fysisk aktivitet för att minska risken för kardiovaskulär sjukdom, eftersom denna risk är förhöjd vid depression.

  • 43.
    Moritani, Toshio
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Fuchi, Tokio
    Oddsson, Lars
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Applications of fast fourier transform (FFT) in noninvasive physiological measurements in sport science.1988In: J Sports Med Sci (Japan), Vol. 2, no 1, p. 27-42Article in journal (Refereed)
  • 44.
    Oddsson, Kristjan
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Danielsson, Evelina
    Ekblom, Örjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Björn Ekblom's research group.
    Nilsson, Johnny
    Swedish School of Sport and Health Sciences, GIH. Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Wahlgren, Lina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Development of physical tests and ratings scales of perceived health in a project with supervised physical activity for elderly.2010Conference paper (Refereed)
    Abstract [en]

    Background: Valid and reliable field tests for measuring physical fitness and different health parameters is an important matter for evaluating effects of exercise interventions.

    Purpose: The aim was to study different test parameters such as aerobic capacity, strength, perceived health and life style habits, such as physical activity, in a physical activity intervention for elderly people.

    Method: 117 old-age pensioners (99 women and 18 men). Their mean age (yrs) and BMI (kg/m2 ) was 74 and 26 for the women and 73 and 25 for the men, respectively. Different aerobic, strength and balance tests were measured. Guided physical activity (nordic walking, strength training, aqua gymnastics), were given 45-60 min, 2 times/week for 8-12 weeks. Perceived exertion ratings during the exercises were moderate and/or strong.

    Results: Significant changes (p< 0,05) were seen between pre- and post tests regarding all physical tests except the balance test for men. Even the perceived physical and mental health significantly improved. The mean values for questions concerning self reported inactive/active life style, including sedentary time, were changed to a more active life style.

    Conclusion: 8-12 weeks of guided physical activity can improve several physiological parameters which are positively correlated to decreased risk of numerous diseases. More research is needed to develop reliable and valid field tests for physical capacity and different health parameters.

  • 45.
    Oddsson, Lars
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Moritani, Toshio
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Andersson, Eva A
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Thorstensson, Alf
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Differences between males and females in EMG and fatiguability of lumbar back muscles.1991In: Electromyographical Kinesiology / [ed] Anderson PA, Hobart DJ, Danoff JV, Amsterdam: Elsevier Science Publisher (Biomedical Division) , 1991, p. 295-298Chapter in book (Other academic)
  • 46.
    Olin, Hedvig
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Wahlgren, Lina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Wedman, Ingemar
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Hälsa i relation till fysisk aktivitet, vikt och ålder: Upplevelse av hälsa hos olika målgrupper2006In: SVEBI:s Årsbok 2006, ISSN 0284-4672, p. 213-235Article in journal (Other (popular science, discussion, etc.))
  • 47.
    Olsson, Sven Johan Gustav
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Björn Ekblom's and Mats Börjesson's research group.
    Ekblom, Örjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Björn Ekblom's and Mats Börjesson's research group.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Börjesson, Mats
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Björn Ekblom's and Mats Börjesson's research group. Department of Medicine, Unit of Cardiology, Karolinska University Hospital, Solna.
    Kallings, Lena
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Åstrand Laboratory of Work Physiology, Björn Ekblom's and Mats Börjesson's research group.
    Categorical answer modes provides superior validity to open answers when asking for level of physical activity: A cross-sectional study2016In: Scandinavian Journal of Public Health, ISSN 1403-4948, E-ISSN 1651-1905, Vol. 44, no 1, p. 70-76, article id 1403494815602830Article in journal (Refereed)
    Abstract [en]

    AIMS:

    Physical activity (PA) used as prevention and treatment of disease has created a need for effective tools for measuring patients' PA level. Our aim was therefore to assess the validity of two PA questions and their three associated answer modes.

    METHODS:

    Data on PA according to the PA questions and Actigraph GT3X+ accelerometers, aerobic fitness (VO2max), cardiovascular biomarkers, and self-rated general health were collected in 365 Swedish adults (21-66 years). The PA questions ask about weekly PA via categories (Categorical), an open-ended answer (Open), or specified day by day (Table).

    RESULTS:

    The Categorical mode, compared with the Open mode, correlated (Spearman's rho) significantly more strongly (p<0.05) with accelerometer PA (0.31 vs. 0.18) and VO2max (0.27 vs. 0.06), and the level of BMI (-0.20 vs. -0.02), waist circumference (-0.22 vs. -0.03), diastolic blood pressure (-0.16 vs. 0.08), glucose (-0.18 vs. 0.04), triglycerides (-0.31 vs. -0.07), and general health (0.35 vs. 0.19). The validity of the Categorical and Table modes were similar regarding VO2max and accelerometry, but the Categorical mode exhibited more significant and stronger correlations with cardiovascular biomarkers. The capacity of the PA questions to identify insufficiently physically active individuals ranged from 0.57 to 0.76 for sensitivity and from 0.47 to 0.79 for specificity.

    CONCLUSIONS:

    The Categorical mode exhibits the strongest validity and Open mode the weakest. The PA questions may be used on a population level, or as a tool for determining patents' appropriateness for treatment.

  • 48.
    Schantz, Peter
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Björkman, Per
    Sandberg, Mats
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Movement and muscle activity pattern in wheelchair ambulation by persons with para- and tetraplegia1999In: Scandinavian Journal of Rehabilitation Medicine, ISSN 0036-5505, E-ISSN 1940-2228, Vol. 31, no 2, p. 67-76Article in journal (Refereed)
  • 49. Taube, Jill
    et al.
    Kjellman, Bengt
    Jonsson, Bo
    Wahlgren, Lina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Research Unit for Movement, Health and Environment.
    Oddsson, Kristjan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Hultgren, Staffan
    Swedish School of Sport and Health Sciences, GIH.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, The Laboratory of Applied Sports Science (LTIV).
    Improved perceived health and scored depression with a physical activity project.2010Conference paper (Refereed)
    Abstract [en]

    Background: Physical activity programs have shown a positive effect on health but also on depression that increases worldwide.

    Purpose: The purpose was to study perceived health and rated depression score with a physical activity project for persons with diagnosed depression or anxiety.

    Methods: Eighty-four persons (56 women, 28 men) with depression or anxiety disorders, recruited from psychiatric out-patient clinic participated. Mean age and BMI were 46 (21-80) yrs and 26 (17-41) kg/m2, respectively. Guided physical activity was given, in groups of 10-15, 1 hour twice a week for 8-12 weeks.

    Results: A significant improvement (p<0.05*) was seen regarding perceived physical health, several aspects of mental health and waking up thoroughly rested. Depression score significantly improved, both self-rated (PHQ-9, n=55) and by experts (MADRS, n=13), expect PHQ-9 for those with overweight.

    Conclusions: The project showed that patients with depression and anxiety can improve, in addition to increased physical activity level, both their perceived physical and several aspects of mental health and also depression score by joining a physical activity program.

     

     

  • 50.
    Thorstensson, Alf
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Oddsson, Lars
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Andersson, Eva
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Arvidsson, Åke
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Balance in muscle strength between agonist and antagonist muscles of the trunk.1985In: Biomechanics IX: proceedings of the ninth International Congress of Biomechanics held in 1983 at Waterloo, Ontario, Canada. B / [ed] David A. Winter, 1985, p. 15-20Conference paper (Other academic)
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