Gymnastik- och idrottshögskolan, GIH

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Publications (10 of 43) Show all publications
Heiland, E. G., Kjellenberg, K., Tarassova, O., Nyberg, G., Ekblom, M., Ekblom, Ö. & Helgadóttir, B. (2023). Acute effects of nitrate and breakfast on working memory and cerebral blood flow in adolescents: a randomized crossover trial. In: : . Paper presented at The International Society of Behavioral Nutrition and Physical Activity (ISBNPA), Uppsala, Sweden, June 15-18, 2023.
Open this publication in new window or tab >>Acute effects of nitrate and breakfast on working memory and cerebral blood flow in adolescents: a randomized crossover trial
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2023 (English)Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

Purpose: Beneficial acute effects of dietary nitrate have been demonstrated on working memory in adults, with changes in cerebral blood flow (CBF) being a potential mechanism. However, these effects have not been studied in adolescents. Moreover, having breakfast compared to skipping may also exhibit positive effects on working memory. Therefore, this randomized crossover trial investigated the acute effects of nitrate and breakfast on working memory and changes in task-related CBF in adolescents.  Methods: This trial will recruit at least 43 adolescents (13–15 years old). There were three experimental breakfast conditions: (1) none, (2) regular, and (3) regular breakfast with high nitrate in the form of concentrated beetroot juice. Working memory (1-, 2-, 3-back tests) and task-related CBF (prefrontal cortex oxygenated and deoxygenated-hemoglobin changes estimated using functional near-infrared spectroscopy) were measured immediately after breakfast and 130 min later. The data collection for this study is ongoing, thus results for 35 adolescents are presented here and due to blinding of the researcher we are unable to report at this time in which condition these effects occurred, but will be revealed by the time of the conference, as well as for the results on changes in CBF.  Results: Preliminary results from the ongoing study showed that from pretest to posttest there was a statistically significant improvement in reaction time in all three conditions for all three n-back tests, but no intervention effects. Accuracy, however, improved from pretest to posttest in only one condition, for all three nback tests (β [95% confidence interval] from linear mixed-effects models with subject as random effect: 1-back 2.8[1.2-4.3], 2-back 2.6[0.9-4.2], 3-back 3.6[2.2-5.0]), and there was a tendency towards an intervention effect between this breakfast condition and another on the accuracy of the 3-back test (P for time-by-condition interaction 0.07).   Conclusions: The results from this study will increase our understanding into the effects of breakfast and its composition (i.e., nitrate-rich) on acutely improving working memory in adolescents and the potential mechanisms. In turn, the results will inform on whether policies on providing breakfast in schools should be considered to improve students' cognitive performance.

National Category
Nutrition and Dietetics
Research subject
Medicine/Technology; Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-7794 (URN)
Conference
The International Society of Behavioral Nutrition and Physical Activity (ISBNPA), Uppsala, Sweden, June 15-18, 2023
Funder
Knowledge FoundationSkandias Stiftelse Idéer för livet
Note

Partners are: IKEA, Kronprinsessparets stiftelse/Generation Pep, Skanska, Coop, KFS

Available from: 2023-09-15 Created: 2023-09-15 Last updated: 2023-10-03Bibliographically approved
Regan, C., Heiland, E. G., Ekblom, Ö., Tarassova, O., Kjellenberg, K., Larsen, F. J., . . . Helgadóttir, B. (2023). Acute effects of nitrate and breakfast on working memory, cerebral blood flow, arterial stiffness, and psychological factors in adolescents: Study protocol for a randomised crossover trial.. PLOS ONE, 18(5), Article ID e0285581.
Open this publication in new window or tab >>Acute effects of nitrate and breakfast on working memory, cerebral blood flow, arterial stiffness, and psychological factors in adolescents: Study protocol for a randomised crossover trial.
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2023 (English)In: PLOS ONE, E-ISSN 1932-6203, Vol. 18, no 5, article id e0285581Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Inorganic nitrate has been shown to acutely improve working memory in adults, potentially by altering cerebral and peripheral vasculature. However, this remains unknown in adolescents. Furthermore, breakfast is important for overall health and psychological well-being. Therefore, this study will investigate the acute effects of nitrate and breakfast on working memory performance, task-related cerebral blood flow (CBF), arterial stiffness, and psychological outcomes in Swedish adolescents.

METHODS: This randomised crossover trial will recruit at least 43 adolescents (13-15 years old). There will be three experimental breakfast conditions: (1) none, (2) low-nitrate (normal breakfast), and (3) high-nitrate (concentrated beetroot juice with normal breakfast). Working memory (n-back tests), CBF (task-related changes in oxygenated and deoxygenated haemoglobin in the prefrontal cortex), and arterial stiffness (pulse wave velocity and augmentation index) will be measured twice, immediately after breakfast and 130 min later. Measures of psychological factors and salivary nitrate/nitrite will be assessed once before the conditions and at two-time points after the conditions.

DISCUSSION: This study will provide insight into the acute effects of nitrate and breakfast on working memory in adolescents and to what extent any such effects can be explained by changes in CBF. This study will also shed light upon whether oral intake of nitrate may acutely improve arterial stiffness and psychological well-being, in adolescents. Consequently, results will indicate if nitrate intake from beetroot juice or if breakfast itself could acutely improve cognitive, vascular, and psychological health in adolescents, which can affect academic performance and have implications for policies regarding school meals.

TRIAL REGISTRATION: The trial has been prospectively registered on 21/02/2022 at https://doi.org/10.1186/ISRCTN16596056. Trial number: ISRCTN16596056.

Place, publisher, year, edition, pages
Public Library of Science (PLoS), 2023
National Category
Nutrition and Dietetics
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-7653 (URN)10.1371/journal.pone.0285581 (DOI)001050599900048 ()37205681 (PubMedID)
Funder
Knowledge Foundation, 20180040
Note

This project is supported by The Knowledge Foundation https://www.kks.se/ (20180040; ÖE, GN), and the following companies: COOP Sverige, IKEA, Skandia, Skanska, Generation Pep, and Konsumentföreningen Stockholm.

Available from: 2023-06-20 Created: 2023-06-20 Last updated: 2024-01-26
Kjellenberg, K., Heiland, E. G., Tarassova, O., Fernström, M., Nyberg, G., Ekblom, M., . . . Ekblom, Ö. (2023). Effects of physical activity breaks on working memory and oxygenated hemoglobin in adolescents: Results from the AbbaH teen study. In: : . Paper presented at ArtScientific 2023, Frankfurt, Germany, May 5-6, 2023.
Open this publication in new window or tab >>Effects of physical activity breaks on working memory and oxygenated hemoglobin in adolescents: Results from the AbbaH teen study
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2023 (English)Conference paper, Oral presentation with published abstract (Other academic)
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Research subject
Medicine/Technology; Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-7797 (URN)
Conference
ArtScientific 2023, Frankfurt, Germany, May 5-6, 2023
Funder
Knowledge FoundationSkandias Stiftelse Idéer för livet
Note

Partners är: IKEA, Kronprinsessparets stiftelse/Generation Pep, Skanska, Coop, KFS

Available from: 2023-09-15 Created: 2023-09-15 Last updated: 2023-10-03Bibliographically approved
Fernström, M., Heiland, E. G., Kjellenberg, K., Pontén, M., Tarassova, O., Nyberg, G., . . . Ekblom, Ö. (2023). Effects of prolonged sitting and physical activity breaks on measures of arterial stiffness and cortisol in adolescents. Acta Paediatrica, 112(5), 1011-1018
Open this publication in new window or tab >>Effects of prolonged sitting and physical activity breaks on measures of arterial stiffness and cortisol in adolescents
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2023 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 112, no 5, p. 1011-1018Article in journal (Refereed) Published
Abstract [en]

Aim

In adults, prolonged periods of sitting have been linked to acute negative effects on vascular structure and function. The aim of this study was to evaluate the acute effects of physical activity (PA) breaks during prolonged sitting on arterial stiffness, cortisol and psychological factors in adolescents.

Methods

Adolescents underwent different short (3-min) breaks starting every 20 min, during 80 min of sitting on three separate days. Breaks were (A) social seated breaks (SOC), (B) low-intensity simple resistance activity PA breaks (SRA) and (C) moderate-intensity step-up PA breaks (STEP). The arterial stiffness measures were augmentation index (AIx), AIx@75 and pulse wave velocity (PWV). Cortisol was measured from saliva. Psychological factors were self-reported.

Results

Eleven girls and six boys (average age 13.6 ± 0.7 years) participated, with average baseline heart rates of 72 ± 11 bpm, systolic/diastolic blood pressure 111 ± 7/64 ± 6 mmHg and cortisol 10.9 ± 5.8 nmoL/L. PWV, cortisol and psychological factors did not change after any of the conditions. AIx@75 increased significantly (4.9 ± 8.7–9.2 ± 13.2) after the STEP intervention compared with SOC and SRA (time × condition p < 0.05).

Conclusion

Arterial stiffness increased after prolonged sitting with frequent, short step-up activity breaks. The results indicate potential important intensity-dependent effects of physical activity on vascular regulation in youth.

Place, publisher, year, edition, pages
John Wiley & Sons, 2023
Keywords
AIx, PWV, activity breaks, adolescents, arterial stiffness, cortisol
National Category
Cardiac and Cardiovascular Systems Public Health, Global Health, Social Medicine and Epidemiology
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-7487 (URN)10.1111/apa.16702 (DOI)000933114700001 ()36740937 (PubMedID)
Funder
Knowledge Foundation, 20160040
Note

Additional funding information: COOP Sweden, IKEA, Skandia, Skanska, Generation Pep, and Stockholm Consumer Cooperative Society

Available from: 2023-02-14 Created: 2023-02-14 Last updated: 2024-01-26Bibliographically approved
Kjellenberg, K., Heiland, E. G., Tarassova, O., Fernström, M., Nyberg, G., Ekblom, M., . . . Ekblom, Ö. (2023). Short, frequent physical activity breaks improve working memory in adolescents during prolonged sitting (AbbaH teen study). In: : . Paper presented at The International Society of Behavioral Nutrition and Physical Activity (ISBNPA), Uppsala, Sweden, June 15-18, 2023.
Open this publication in new window or tab >>Short, frequent physical activity breaks improve working memory in adolescents during prolonged sitting (AbbaH teen study)
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2023 (English)Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

Purpose: Physical activity breaks in schools have been suggested as a promising strategy to acutely improve cognitive performance in children and adolescents. Most previous studies have explored the effects of single physical activity bouts, but they are infeasible in a school setting (e.g. long duration/high-intensity or requiring equipment/space). Further, studies investigating the underlying physiological mechanisms in adolescents arel acking. Therefore, the aim of this study was to investigate the effects of short, frequent physical activity breaks of different intensities on adolescents’ working memory (WM) and cerebral blood flow (CBF) during prolonged sitting.

Methods: This randomized crossover study was performed in adolescents (13-15 years of age). In 80-minute sessions, one of the following types of breaks was performed four times in three minutes durations on three different days: simple resistance training (SRA), step-up at a pre-determined pace (STEP), or remaining seated (SOCIAL). Before and after each session, WM (accuracy and reaction time during the 1,2,3-back test) were measured, with simultaneous measurement of task-related CBF (assessed by prefrontal oxygenation using functional near-infrared spectroscopy). Analysis of CBF is ongoing and will be presented at the conference.

Results: A total of 17 students participated (mean age 13.6 years, 11 girls). In the most demanding task (3-back) the following results were seen: improvement in reaction time following SRA (-30.1, p=0.04) and STEP (-34.3 ms, p=0.05) and no improvement following prolonged sitting. We also found a moderating effect (p <0.01) of WM performance at baseline (using a mean split), such that students with poor WM significantly improved their accuracy and reaction time following the higher-intensity breaks (STEP) while students with high performance did not.

Conclusion: We found that implementing physical activity breaks of both moderate and high intensities was beneficial for WM performance. For students with low WM performance, high-intensity breaks were more beneficial. Implementing physical activity breaks during periods of prolonged sitting, such as long school classes could improve the students’ cognitive performance. However, future studies should investigate if these breaks are feasible, acceptable, and beneficial to implement in the school setting.

National Category
Public Health, Global Health, Social Medicine and Epidemiology
Research subject
Medicine/Technology; Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-7798 (URN)
Conference
The International Society of Behavioral Nutrition and Physical Activity (ISBNPA), Uppsala, Sweden, June 15-18, 2023
Funder
Knowledge FoundationSkandias Stiftelse Idéer för livetThe Kamprad Family FoundationSwedish ESF Council (Council of the European Social Fund in Sweden)
Note

Partners är: IKEA, Kronprinsessparets stiftelse/Generation Pep, Storytel, SATS, Permobil

Available from: 2023-09-15 Created: 2023-09-15 Last updated: 2023-10-13Bibliographically approved
Heiland, E. G., Kjellenberg, K., Tarassova, O., Fernström, M., Nyberg, G., Ekblom, M., . . . Ekblom, Ö. (2022). ABBaH teens: Activity Breaks for Brain Health in adolescents. Trials, 23(1), Article ID 22.
Open this publication in new window or tab >>ABBaH teens: Activity Breaks for Brain Health in adolescents
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2022 (English)In: Trials, E-ISSN 1745-6215, Vol. 23, no 1, article id 22Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Physical activity breaks are widely being implemented in school settings as a solution to increase academic performance and reduce sitting time. However, the underlying physiological mechanisms suggested to improve cognitive function from physical activity and the frequency, intensity, and duration of the breaks remain unknown. This study will investigate the effects of frequent, short physical activity breaks during prolonged sitting on task-related prefrontal cerebral blood flow, cognitive performance, and psychological factors. Additionally, the moderating and mediating effects of arterial stiffness on changes in cerebral blood flow will be tested.

METHODS: This is a protocol for a randomized crossover study that will recruit 16 adolescents (13-14 years old). Participants will undergo three different conditions in a randomized order, on three separate days, involving sitting 80 min with a different type of break every 17 min for 3 min. The breaks will consist of (1) seated social breaks, (2) simple resistance activities, and (3) step-up activities. Before and after the 80-min conditions, prefrontal cerebral blood flow changes will be measured using functional near-infrared spectroscopy (primary outcome), while performing working memory tasks (1-, 2-, and 3-back tests). Arterial stiffness (augmentation index and pulse wave velocity) and psychological factors will also be assessed pre and post the 80-min interventions.

DISCUSSION: Publication of this protocol will help to increase rigor in science. The results will inform regarding the underlying mechanisms driving the association between physical activity breaks and cognitive performance. This information can be used for designing effective and feasible interventions to be implemented in schools.

TRIAL REGISTRATION: www.ClinicalTrials.gov , NCT04552626 . Retrospectively registered on September 21, 2020.

Place, publisher, year, edition, pages
BioMed Central (BMC), 2022
Keywords
Cerebral blood flow, Cognitive function, Physical activity breaks, Sedentary, fNIRS
National Category
Neurology
Research subject
Medicine/Technology; Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-6901 (URN)10.1186/s13063-021-05972-5 (DOI)000739964400002 ()34991692 (PubMedID)
Projects
Hjärnhälsa i skolan Delprojekt II: Skolor i högstadiet med förlängda dagar med fysisk aktivitet och läxläsning
Funder
Knowledge Foundation, 20160040
Note

Projektet samfinansieras av KK-stiftelsen, Coop AB, Skanska, IKEA, Generation Pep, Skandia och Konsumentföreningen Stockholm samt GIH

Available from: 2022-01-10 Created: 2022-01-10 Last updated: 2024-01-17
Ekblom, M., Bojsen-Møller, E., Blom, V., Tarassova, O., Moberg, M., Pontén, M., . . . Ekblom, Ö. (2022). Acute effects of physical activity patterns on plasma cortisol and brain-derived neurotrophic factor in relation to corticospinal excitability.. Behavioural Brain Research, 430, Article ID 113926.
Open this publication in new window or tab >>Acute effects of physical activity patterns on plasma cortisol and brain-derived neurotrophic factor in relation to corticospinal excitability.
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2022 (English)In: Behavioural Brain Research, ISSN 0166-4328, E-ISSN 1872-7549, Vol. 430, article id 113926Article in journal (Refereed) Published
Abstract [en]

Brain-derived neurotrophic factor (BDNF) and cortisol are both capable of modulating synaptic plasticity, but it is unknown how physical activity-induced changes in their plasma levels relate to corticospinal plasticity in humans. Sixteen inactive middle-aged men and women participated in three separate interventions consisting of 3hours prolonged sitting (SIT); 3hours sitting interrupted every 30minutes with frequent short physical activity breaks (FPA); and 2.5hours prolonged sitting followed by 25minutes of moderate intensity exercise (EXE). These 3hour sessions were each followed by a 30min period of paired associative stimulation over the primary motor cortex (PAS). Blood samples were taken and corticospinal excitability measured at baseline, pre PAS, 5min and 30min post PAS. Here we report levels of plasma BDNF and cortisol over three activity conditions and relate these levels to previously published changes in corticospinal excitability of a non-activated thumb muscle. There was no interaction between time and condition in BDNF, but cortisol levels were significantly higher after EXE compared to after SIT and FPA. Higher cortisol levels at pre PAS predicted larger increases in corticospinal excitability from baseline to all subsequent time points in the FPA condition only, while levels of BDNF at pre PAS did not predict such changes in any of the conditions. Neither BDNF nor cortisol modified changes from pre PAS to the subsequent time points, suggesting that the increased corticospinal excitability was not mediated though an augmented effect of the PAS protocol. The relationship between cortisol and plasticity has been suggested to be U-shaped. This is possibly why the moderately high levels of cortisol seen in the FPA condition were positively associated with changes AURC, while the higher cortisol levels seen after EXE were not. A better understanding of the mechanisms for how feasible physical activity breaks affect neuroplasticity can inform the theoretical framework for how work environments and schedules should be designed. DATA AVAILABILITY: Data are available from the corresponding author upon reasonable request.

Place, publisher, year, edition, pages
Elsevier, 2022
Keywords
BDNF, attention, cortisol, motor cortex, paired associative stimulation, plasticity
National Category
Psychiatry Public Health, Global Health, Social Medicine and Epidemiology
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-7061 (URN)10.1016/j.bbr.2022.113926 (DOI)000816115000002 ()35568076 (PubMedID)
Funder
Knowledge Foundation, 20160040, 20180151, 20210002
Note

Övriga finansiärer: ICA Gruppen, Intrum, SATS, Monark Exercise, Intrum Justitia

Available from: 2022-05-19 Created: 2022-05-19 Last updated: 2024-02-27
Spiegl, O., Tarassova, O., Lundgren, L. E., Neuman, D. & Arndt, A. (2022). Comparison of lightweight and traditional figure skating blades, a prototype blade with integrated damping system and a running shoe in simulated figure skating landings and vertical countermovement jumps, and evaluation of dampening properties of the prototype blade.. Sports Biomechanics, 1-22
Open this publication in new window or tab >>Comparison of lightweight and traditional figure skating blades, a prototype blade with integrated damping system and a running shoe in simulated figure skating landings and vertical countermovement jumps, and evaluation of dampening properties of the prototype blade.
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2022 (English)In: Sports Biomechanics, ISSN 1476-3141, E-ISSN 1752-6116, p. 1-22Article in journal (Refereed) Epub ahead of print
Abstract [en]

To date, there is no empirical evidence suggesting greater jump heights or cushioned landings when using figure skating (FS) blades of different mass and design. This study examined the effect of lightweight (Gold Seal Revolution from John Wilson) and traditional (Apex Supreme from Jackson Ultima and Volant from Riedell) blades, a new prototype blade with an integrated damping system (damping blade) in two different damping configurations, and running shoes (Runfalcon from Adidas) on kinetics and kinematics during simulated on-ice landings from 0.6 m and maximal countermovement jumps on synthetic ice, and measured dampening properties of the damping blade. Seventeen participants executed trials in the six footwear conditions blinded to the different blades and acted as their own control for statistical comparison. There were no differences between the lightweight and traditional blades on the maximal vertical ground reaction force during the landing. Image analysis showed a damping effect in the damping blade that significantly decreased the landing load for all participants (mean 4.38 ± 0.68 bodyweight) (p ≤ 0.006), on average between 10.1 and 14.3% compared to lightweight and traditional blades (4.87 ± 1.01 to 5.11 ± 0.88 bodyweight). The maximal jump height achieved was the same in all FS blades.

Place, publisher, year, edition, pages
Taylor & Francis, 2022
Keywords
damping system and shock absorption, figure skating blade, injury prevention, landing impact and jump height, sports equipment design
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-7085 (URN)10.1080/14763141.2022.2063757 (DOI)000796905500001 ()35579065 (PubMedID)
Funder
Swedish National Centre for Research in Sports, P2019-0078
Available from: 2022-06-28 Created: 2022-06-28 Last updated: 2022-06-28
Péter, A., Arndt, A., Hegyi, A., Finni, T., Andersson, E., Alkjær, T., . . . Cronin, N. (2022). Intramuscular EMG amplitudes do not necessarily diverge from surface EMG amplitudes over time. Response to Letter to the Editor [Letter to the editor]. Journal of Electromyography & Kinesiology, 64, Article ID 102662.
Open this publication in new window or tab >>Intramuscular EMG amplitudes do not necessarily diverge from surface EMG amplitudes over time. Response to Letter to the Editor
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2022 (English)In: Journal of Electromyography & Kinesiology, ISSN 1050-6411, E-ISSN 1873-5711, Vol. 64, article id 102662Article in journal, Letter (Other academic) Published
Place, publisher, year, edition, pages
Elsevier, 2022
Keywords
Electrodes, walking, wire
National Category
Neurology
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-7087 (URN)10.1016/j.jelekin.2022.102662 (DOI)000795663700003 ()
Available from: 2022-06-28 Created: 2022-06-28 Last updated: 2022-06-28
Spiegl, O., Tarassova, O., Lundgren, L. E. & Arndt, A. (2021). Comparison of lightweight and traditional figure skating blades, a prototype blade with integrated damping system and a running shoe in simulated figure skating landings and take-offs. Paper presented at Fifteenth Footwear Biomechanics Symposium (Göteborg, Sweden, 2021). Footwear Science, 13, S53-S55
Open this publication in new window or tab >>Comparison of lightweight and traditional figure skating blades, a prototype blade with integrated damping system and a running shoe in simulated figure skating landings and take-offs
2021 (English)In: Footwear Science, ISSN 1942-4280, E-ISSN 1942-4299, Vol. 13, p. S53-S55Article in journal, Meeting abstract (Other academic) Published
Place, publisher, year, edition, pages
Taylor & Francis, 2021
Keywords
Figure skating blade, simulated on-ice landing impact and take-off, integrated damping system, force at landing, jump height, INJURIES
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
urn:nbn:se:gih:diva-6774 (URN)10.1080/19424280.2021.1917678 (DOI)000674746800027 ()
Conference
Fifteenth Footwear Biomechanics Symposium (Göteborg, Sweden, 2021)
Available from: 2021-08-19 Created: 2021-08-19 Last updated: 2021-08-19Bibliographically approved
Projects
Physical Activity for Healthy Brain Functions in School Youth [KK 20180040]; Swedish School of Sport and Health Sciences, GIH; Publications
Hoy, S., Larsson, H., Kjellenberg, K., Nyberg, G., Ekblom, Ö. & Helgadóttir, B. (2024). Gendered relations? Associations between Swedish parents, siblings, and adolescents' time spent sedentary and physically active. Frontiers in Sports and Active Living, 6, Article ID 1236848. Heiland, E. G., Kjellenberg, K., Tarassova, O., Nyberg, G., Ekblom, M., Ekblom, Ö. & Helgadóttir, B. (2023). Acute effects of nitrate and breakfast on working memory and cerebral blood flow in adolescents: a randomized crossover trial. In: : . Paper presented at The International Society of Behavioral Nutrition and Physical Activity (ISBNPA), Uppsala, Sweden, June 15-18, 2023. Regan, C., Heiland, E. G., Ekblom, Ö., Tarassova, O., Kjellenberg, K., Larsen, F. J., . . . Helgadóttir, B. (2023). Acute effects of nitrate and breakfast on working memory, cerebral blood flow, arterial stiffness, and psychological factors in adolescents: Study protocol for a randomised crossover trial.. PLOS ONE, 18(5), Article ID e0285581. Yman, J., Helgadóttir, B., Kjellenberg, K. & Nyberg, G. (2023). Associations between organised sports participation, general health, stress, screen-time and sleep duration in adolescents.. Acta Paediatrica, 112(3), 452-459Nyberg, G., Helgadóttir, B., Kjellenberg, K. & Ekblom, Ö. (2023). COVID-19 and unfavorable changes in mental health unrelated to changes in physical activity, sedentary time, and health behaviors among Swedish adolescents: A longitudinal study.. Frontiers In Public Health, 11, Article ID 1115789. Helgadóttir, B., Fröberg, A., Kjellenberg, K., Ekblom, Ö. & Nyberg, G. (2023). COVID-19 induced changes in physical activity patterns, screen time and sleep among Swedish adolescents - a cohort study.. BMC Public Health, 23(1), Article ID 380. Kjellenberg, K., Heiland, E. G., Tarassova, O., Fernström, M., Nyberg, G., Ekblom, M., . . . Ekblom, Ö. (2023). Effects of physical activity breaks on working memory and oxygenated hemoglobin in adolescents: Results from the AbbaH teen study. In: : . Paper presented at ArtScientific 2023, Frankfurt, Germany, May 5-6, 2023. Fernström, M., Heiland, E. G., Kjellenberg, K., Pontén, M., Tarassova, O., Nyberg, G., . . . Ekblom, Ö. (2023). Effects of prolonged sitting and physical activity breaks on measures of arterial stiffness and cortisol in adolescents. Acta Paediatrica, 112(5), 1011-1018Helgadóttir, B., Fröberg, A., Kjellenberg, K., Ekblom, Ö. & Nyberg, G. (2023). Has COVID-19 led to changes in physical activity patterns, screen time and sleep among Swedish adolescents?: A cohort study. In: : . Paper presented at The International Society of Behavioral Nutrition and Physical Activity (ISBNPA), Uppsala, Sweden, June 15-18, 2023. Thedin Jakobsson, B., Hoy, S., Lunde, C. & Larsson, H. (2023). Physical Activity during the School Day: A Case Study in Swedish School for Students with Special Needs.. In: : . Paper presented at European Educational Research Association (ECER) Glasgow, den 22- 25 Augusti 2023..
E-PABS - a centre of Excellence in Physical Activity, healthy Brain functions and Sustainability [20210002 01 H]; Swedish School of Sport and Health Sciences, GIH; Publications
Hoy, S., Larsson, H., Kjellenberg, K., Nyberg, G., Ekblom, Ö. & Helgadóttir, B. (2024). Gendered relations? Associations between Swedish parents, siblings, and adolescents' time spent sedentary and physically active. Frontiers in Sports and Active Living, 6, Article ID 1236848. Heiland, E. G., Kjellenberg, K., Tarassova, O., Nyberg, G., Ekblom, M., Ekblom, Ö. & Helgadóttir, B. (2023). Acute effects of nitrate and breakfast on working memory and cerebral blood flow in adolescents: a randomized crossover trial. In: : . Paper presented at The International Society of Behavioral Nutrition and Physical Activity (ISBNPA), Uppsala, Sweden, June 15-18, 2023. Regan, C., Heiland, E. G., Ekblom, Ö., Tarassova, O., Kjellenberg, K., Larsen, F. J., . . . Helgadóttir, B. (2023). Acute effects of nitrate and breakfast on working memory, cerebral blood flow, arterial stiffness, and psychological factors in adolescents: Study protocol for a randomised crossover trial.. PLOS ONE, 18(5), Article ID e0285581. Farias, L., Nyberg, G., Helgadóttir, B. & Andermo, S. (2023). Adolescents' experiences of a school-based health promotion intervention in socioeconomically advantaged and disadvantaged areas in Sweden: a qualitative process evaluation study.. BMC Public Health, 23(1), Article ID 1631. Larsson, L. E., Wang, R., Cederholm, T., Wiggenraad, F., Rydén, M., Hagman, G., . . . Thunborg, C. (2023). Association of Sarcopenia and Its Defining Components with the Degree of Cognitive Impairment in a Memory Clinic Population.. Journal of Alzheimer's Disease, 96(2), 777-788Yman, J., Helgadóttir, B., Kjellenberg, K. & Nyberg, G. (2023). Associations between organised sports participation, general health, stress, screen-time and sleep duration in adolescents.. Acta Paediatrica, 112(3), 452-459Wu, J., Xiong, Y., Xia, X., Orsini, N., Qiu, C., Kivipelto, M., . . . Wang, R. (2023). Can dementia risk be reduced by following the American Heart Association's Life's Simple 7?: A systematic review and dose-response meta-analysis.. Ageing Research Reviews, 83, Article ID 101788. Nyberg, G., Helgadóttir, B., Kjellenberg, K. & Ekblom, Ö. (2023). COVID-19 and unfavorable changes in mental health unrelated to changes in physical activity, sedentary time, and health behaviors among Swedish adolescents: A longitudinal study.. Frontiers In Public Health, 11, Article ID 1115789. Helgadóttir, B., Fröberg, A., Kjellenberg, K., Ekblom, Ö. & Nyberg, G. (2023). COVID-19 induced changes in physical activity patterns, screen time and sleep among Swedish adolescents - a cohort study.. BMC Public Health, 23(1), Article ID 380. Kjellenberg, K., Heiland, E. G., Tarassova, O., Fernström, M., Nyberg, G., Ekblom, M., . . . Ekblom, Ö. (2023). Effects of physical activity breaks on working memory and oxygenated hemoglobin in adolescents: Results from the AbbaH teen study. In: : . Paper presented at ArtScientific 2023, Frankfurt, Germany, May 5-6, 2023.
Physiological and psychological effect of physical activity in patients with burnout; Swedish School of Sport and Health Sciences, GIHMuscle to brain cross-talk in the molecular regulation of neuroplasticity [M21-0134_Åke Wiberg]; Swedish School of Sport and Health Sciences, GIHActivity breaks for brain health in wheelchair users; Swedish School of Sport and Health Sciences, GIHExStress - Exercise Intensity on Brain and Mental Health in Stress; Swedish School of Sport and Health Sciences, GIH
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