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  • 1. Cedervall, Ylva
    et al.
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Physical activity and implications on well-being in mild Alzheimer's disease: A qualitative case study on two men with dementia and their spouses.2010In: Physiotherapy Theory and Practice, ISSN 0959-3985, E-ISSN 1532-5040, Vol. 26, no 4, p. 226-39Article in journal (Refereed)
    Abstract [en]

    To improve the understanding of experiences of people with mild Alzheimer's disease (AD) and their significant others, related to the physical activity of the afflicted persons and its perceived importance. A qualitative case study design was used. The study comprised two men with mild AD and their wives. Data were collected by qualitative interviews and participant observations. Data analysis followed a thematic guideline as described by Braun and Clarke ( 2006 ). Three central themes of experiences related to physical activity in AD were identified: 1) physical activity as health reinforcement; 2) barriers to physical activity; and 3) adaptation strategies. Important motivations for outdoor walks were enjoyable experiences of nature, body movement, and positive attitudes toward physical activity. Several factors were experienced as barriers to physical activity (e.g., tiredness, difficulties in finding one's way, and "peculiar behavior"). Significant others made considerable adjustments in everyday life to enable their partners to retain a physically active lifestyle. The findings indicate that in persons with AD, physical activities such as outdoor walking can play an important part in everyday life by creating meaningful routines and improving experienced well-being and health.

  • 2. Frykberg, Gunilla E
    et al.
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Halvorsen, Kjartan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Borg, Jörgen
    Hirschfeld, Helga
    Temporal coordination of the sit-to-walk task in subjects with stroke and in controls.2009In: Archives of physical medicine and rehabilitation, ISSN 1532-821X, Vol. 90, no 6, p. 1009-17Article in journal (Refereed)
    Abstract [en]

    OBJECTIVES: To explore events and describe phases for temporal coordination of the sit-to-walk (STW) task, within a semistandardized set up, in subjects with stroke and matched controls. In addition, to assess variability of STW phase duration and to compare the relative duration of STW phases between the 2 groups. DESIGN: Cross-sectional. SETTING: Research laboratory. PARTICIPANTS: A convenience sample of persons with hemiparesis (n=10; age 50-67y) more than 6 months after stroke and 10 controls matched for sex, age, height, and body mass index. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Relative duration of STW phases, SE of measurement in percentage of the mean, and intraclass correlation coefficients (ICCs). RESULTS: Four STW phases were defined: rise preparation, transition, primary gait initiation, and secondary gait initiation. The subjects with stroke needed 54% more time to complete the STW task than the controls did. ICCs ranged from .38 to .66 and .22 to .57 in the stroke and control groups, respectively. SEs of measurement in percentage of the mean values were high, particularly in the transition phase: 54.1% (stroke) and 50.4% (controls). The generalized linear model demonstrated that the relative duration of the transition phase was significantly longer in the stroke group. CONCLUSIONS: The present results extend existing knowledge by presenting 4 new phases of temporal coordination of STW, within a semistandardized set-up, in persons with stroke and in controls. The high degree of variability regarding relative STW phase duration was probably a result of both the semistandardized set up and biological variability. The significant difference in the transition phase across the 2 groups requires further study.

  • 3. Frykberg, Gunilla
    et al.
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Halvorsen, Kjartan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Hirschfeld, Helga
    Temporal characteristics of the sit-to-walk task in subjects with stroke and in controls - Preliminary results2007In: The 16th annual meeting of ESMAC. September 2007, Athens Greece, 2007Conference paper (Other academic)
  • 4. Kullberg, K
    et al.
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Björklund, A
    Ekblad, J
    Sidenvall, B
    Daily eating events among co-living and single-living, diseased older men.2008In: The Journal of Nutrition, Health & Aging, ISSN 1279-7707, E-ISSN 1760-4788, Vol. 12, no 3, p. 176-82Article in journal (Refereed)
    Abstract [en]

    OBJECTIVES: To analyse, describe and compare the frequency and energy intake of eating events, including specific food items, among diseased older men living in ordinary housing. DESIGN: Descriptive and explorative. SETTING: Interviews were performed in the participants' home. PARTICIPANTS: Thirty-five co-living and 26 single-living men, 64-88 years of age. Participants had one of three chronic diseases associated with difficulties in buying and preparing food and with difficulties related to the meal situation: Parkinson's disease, rheumatoid arthritis or stroke. MEASUREMENTS: A repeated 24-h recall was used to assess food intake and meal patterns. RESULTS: Eating events were distributed over a 24-h period. Co-living men had a higher (p=0.001) number of eating events/day; both hot and cold eating events were consumed more frequently. There was no difference between groups concerning energy intake. Co-living men more often had hot eating events cooked from raw ingredients (p=0.001) and a greater mix of vegetables/roots (p=0.003) included in such eating events. CONCLUSION: Single-living men may constitute a vulnerable group from a nutritional perspective, while co-living men, besides the pleasure of eating with another person, seem to get support with food and eating events from their partners. Hence, the group of single-living men, particularly those with a disability, should receive particular attention with regard to possible food-related difficulties.

  • 5. Kullberg, Kerstin
    et al.
    Björklund, Anita
    Sidenvall, Birgitta
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    'I start my day by thinking about what we're going to have for dinner'- a qualitative study on approaches to food-related activities among elderly men with somatic diseases.2011In: Scandinavian Journal of Caring Sciences, ISSN 0283-9318, E-ISSN 1471-6712, Vol. 25, no 2, p. 227-234Article in journal (Refereed)
    Abstract [en]

    'I start my day by thinking about what we're going to have for dinner'- a qualitative study on approaches to food-related activities among elderly men with somatic diseases The aim of this study was to address the question of how older men with somatic diseases living in their own home approach the question of food-related activities (FRA). Further, any adaptations of these activities necessitated by effects of diseases and of altered life circumstances were explored. Interviews were conducted with a purposeful sample of 18 co-living and single-living men, 64-84 years old. They were diagnosed with Parkinson's disease, rheumatoid arthritis or stroke. In the analysis, a thematic framework was used. The findings revealed three food-related approaches, namely 'Cooking as a pleasure', describing joy in cooking; 'Cooking as a need', indicating no habits or skills in cooking; and 'Food is served', that is, being served meals by a partner. It was found that gender-related roles in particular, but also changed life circumstances, activity limitations, personal interests, and a wish to maintain continuity and independence, affected the men's approaches to these activities. This knowledge may be useful in attempts to facilitate and support FRA among elderly men with diseases. Health care efforts to promote FRA should preferably be individualised in respect to older men's approaches to these activities.

  • 6. Leavy, Breiffni
    et al.
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    "Not ready to throw in the towel": perceptions of physical activity held by older adults in Stockholm and Dublin.2010In: Journal of Aging and Physical Activity, ISSN 1063-8652, E-ISSN 1543-267X, Vol. 18, no 2, p. 219-36Article in journal (Refereed)
    Abstract [en]

    The aim of this qualitative study was to explore and describe the perceptions of physical activity held by older urban Swedish and Irish adults. Qualitative interviews were carried out with 30 people age 65 years and older (mean age 74.5), of whom 15 were living in Dublin and 15 were living in Stockholm. The "thematic framework" approach was used to analyze the data. Three central themes were identified regarding people's perceptions of physical activity: physical activity as self-expression, physical activity as interaction, and physical activity as health promotion. Participants' perceptions of physical activity tended to relate to their perceived level of physical activity, regardless of their cultural background. Certain culture-specific motivators and barriers to exercise were also identified. Less active Irish men were more likely to underestimate the health-promoting benefits of exercise.

  • 7.
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Care recipients' perceptions of activity-related life space and life satisfaction during and after geriatric rehabilitation.2008In: Quality of Life Research, ISSN 0962-9343, E-ISSN 1573-2649, Vol. 17, no 4, p. 509-20Article in journal (Refereed)
    Abstract [en]

    The debate concerning older people's life spaces should be based on subjective priorities of the elderly themselves. The purpose of this study was therefore to improve the understanding of preferences of elderly care recipients regarding activity-related life space (ARLS) and life satisfaction. A mainly qualitative design was used. Fifteen persons aged 80-94 years, undergoing geriatric rehabilitation, were interviewed during hospital stay and on two follow-up occasions after discharge. Transcribed interviews were analyzed in line with the thematic framework approach. The results point to three approaches related to preferences of ARLS: hierarchical limitations, changing continuity, and boundary breaking. Adaptive approaches were employed when physical incapacity was considered a hindrance to activity, adaptations which as a rule resulted in limitations of ARLS preferences. Activity related to the area 'close to one's own body' emerged as one of three identified key activities with importance for life satisfaction, the others being socializing and going out of doors. Continuity of activity in a familiar life space was expressed as a common ideal. If the aim of geriatric rehabilitation is to improve care recipients' life satisfaction, attention needs to be paid to the subjective dimensions of the ARLS in the goal setting.

  • 8.
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Elderly Care Recipients' perceptions of Activity-Related Life Space - A Qualitative Study2007In: International Association of Gerontology and Geriatrics VI European Congress. St Petersburg, Russia, July 2007, 2007Conference paper (Other academic)
  • 9.
    Åberg, Anna Cristina
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Gender comparisons of function-related dependence pain and insecurity in geriatric rehabilitation.2006In: Journal of Rehabilitation Medicine, ISSN 1650-1977, E-ISSN 1651-2081, Vol. 38, no 1, p. 73-9Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: To evaluate possible gender differences regarding the effect of intervention in geriatric rehabilitation, expressed in terms of change in function-related dependence, pain and insecurity. DESIGN: Comparative study. PARTICIPANTS: A total of 110 women and 44 men undergoing geriatric rehabilitation. METHODS: Performance-based assessments with use of the General Motor Function assessment scale. Non-parametric statistics were mainly used. RESULTS: The women showed higher degrees of function-related dependence, pain and insecurity on admission than the men. Both women and men displayed significant improvement in all 3 variables during the rehabilitation period. However, the positive changes regarding pain and insecurity were according to the analyses of systematic group changes, at a low degree among the men, probably because of the low levels on admission. Gender comparisons of proportions with positive intervention outcome indicated that a significantly larger proportion of the women showed a positive treatment effect after intervention, with a difference in recovery of 19% in dependence, 23% in pain and 33% in insecurity (p<0.05). CONCLUSIONS: Gender differences in disability, with higher degrees of function-related dependence, pain and insecurity among women on admission for geriatric rehabilitation, can be diminished during the rehabilitation period. These promising results may have relevance for the public health of the elderly population.

  • 10.
    Åberg, Anna Cristina
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Frykberg, Gunilla Elmgren
    Halvorsen, Kjartan
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Medio-lateral stability of sit-to-walk performance in older individuals with and without fear of falling.2010In: Gait & Posture, ISSN 0966-6362, E-ISSN 1879-2219, Vol. 31, no 4, p. 438-43Article in journal (Refereed)
    Abstract [en]

    Most falls in older people are due to loss of balance during everyday locomotion, e.g., when initiating walking from sitting; sit-to-walk (STW). It has been considered that the broader stride width in walking that is seen in many people with fear of falling (FoF) does not increase stability, but could be predictive of future falls because of increased medio-lateral (ML) velocity of the body centre of mass (CoM). This study was aimed to examine step-, velocity- and stability-related parameters, focusing on ML stability, in STW performance of people with and without FoF. Ten subjects with FoF and 10 matched controls, aged > or = 70 years, were included. Kinematic and kinetic data were collected in a laboratory. Stability parameters were calculated from a formula implying that the vertical projection of the CoM extrapolated by adding its velocity times a factor radicall/g (height of inverted pendulum divided by gravity) should fall within the base of support (BoS). A related spatial margin of stability (SMoS), defined as the minimum distance from the extrapolated CoM (XCoM) to the boundaries of the BoS, was also calculated. In the phase 'seat-off-second-toe-off', the FoF group had significantly (p<0.05) shorter and broader steps, lower forward but similar ML CoM velocity, and broader CoM and XCoM widths. The FoF group therefore exhibited a disproportionately large sideways velocity compared to the controls. This indicates that STW may be a hazardous transfer for older people with FoF, which should be relevant in assessment and training aimed at preventing falls.

  • 11.
    Åberg, Anna Cristina
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
    Frykberg, Gunilla
    Hirschfeld, Helga
    Gait initiation from sitting in a 93 year old woman with “fear of falling” - a single case pilot study2006In: JEGM 06: The 1st Joint ESMAC – GCMAS Meeting. Amsterdam, Holland, September 2006, 2006Conference paper (Other academic)
  • 12.
    Åberg, Anna Cristina
    et al.
    Swedish School of Sport and Health Sciences, GIH.
    Lundin-Olsson, Lillemor
    Umeå Universitet.
    Rosendahl, Erik
    Luleå Tekniska Universitet.
    Förebygg fall och fallskador i samband med vård.: Nationell satsning för ökad patientsäkerhet.2008Report (Other (popular science, discussion, etc.))
    Abstract [sv]

    Sveriges Kommuner och Landsting har tillsammans med landsting och regioner inlett en nationell satsning för att minska vårdskadorna i Sverige. Strategierna är att öka riskmedvetenheten hos alla som kan påverka patientsäkerheten, att förbättra säkerhetskulturen samt att utforma rutiner,  processer och strukturer så att det är lätt att göra rätt och svårt att göra fel. Sist men inte minst ska undersökningar, behandlingar och omvårdnad utgå från vetenskap och beprövad erfarenhet.

  • 13.
    Åberg, Anna Cristina
    et al.
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Lundin-Olsson, Lillemor
    Rosendahl, Erik
    Implementation of evidence-based prevention of falls in rehabilitation units: a staff's interactive approach.2009In: Journal of rehabilitation medicine : official journal of the UEMS European Board of Physical and Rehabilitation Medicine, ISSN 1651-2081, Vol. 41, no 13, p. 1034-40Article in journal (Refereed)
    Abstract [en]

    A well-developed patient safety culture focusing on prevention of falls will, when successfully achieved, be seen by staff, patients and their significant others as being characteristic of the organization, and will be evident in attitudes, routines and actions. Moreover, it provides potential for positive side-effects concerning organizational and clinical improvements in additional areas.

  • 14.
    Åberg, Anna Cristina
    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.
    Tarassova, Olga
    Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
    Halvorsen, Kjartan
    School of Technology and Health, KTH-Royal Institute of Technology, Stockholm, Sweden.
    Calculations of mechanisms for balance control during narrow and single-leg standing in fit older adults: A reliability study.2011In: Gait & Posture, ISSN 0966-6362, E-ISSN 1879-2219, Vol. 34, no 3, p. 352-7Article in journal (Refereed)
    Abstract [en]

    For older people balance control in standing is critical for performance of activities of daily living without falling. The aims were to investigate reliability of quantification of the usage of the two balance mechanisms M1 ‘moving the centre of pressure’ and M2 ‘segment acceleration’ and also to compare calculation methods based on a combination of kinetic (K) and kinematic (Km) data, (K–Km), or Km data only concerning M2. For this purpose nine physically fit persons aged 70–78 years were tested in narrow and single-leg standing. Data were collected by a 7-camera motion capture system and two force plates. Repeated measure ANOVA and Tukey's post hoc tests were used to detect differences between the standing tasks. Reliability was estimated by ICCs, standard error of measurement including its 95% CI, and minimal detectable change, whereas Pearson's correlation coefficient was used to investigate agreement between the two calculation methods. The results indicated that for the tasks investigated, M1 and M2 can be measured with acceptable inter- and intrasession reliability, and that both Km and K–Km based calculations may be useful for M2, although Km data may give slightly lower values. The proportional M1:M2 usage was approximately 9:1, in both anterio-posterior (AP) and medio-lateral (ML) directions for narrow standing, and about 2:1 in the AP and of 1:2 in the ML direction in single-leg standing, respectively. In conclusion, the tested measurements and calculations appear to constitute a reliable way of quantifying one important aspect of balance capacity in fit older people.

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