Gisela Nyberg | Karolinska Institutet

Publications
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Articles

Article: ACTA PAEDIATRICA. 2026;115(4):873-881
Swedish Adolescents With Impairments Showed Lower Levels of Physical Activity, Fitness and Sports Participation
Kjellenberg K; Ng K; Bjerkefors A; Ohlsson ML; Ekblom O; Nyberg G; Helgadottir B
Article: PLOS ONE. 2026;21(3):e0344087
Associations between physical activity, fitness, cognitive and academic performance in Swedish adolescents: Findings from a cross-sectional study
Kjellenberg K; Wang R; Horre JN; Helgadottir B; Ekblom O; Singh A; Nyberg G
Article: ACTA PAEDIATRICA. 2026;115(2):298-308
A National Sample of Swedish Young Children Shows Sociodemographic Variations in Physical Activity and Screen Time
Nyberg G; Helgadottir B; Moraeus L; Sipinen JP; Lindroos A-K; Froberg A
Article: SPORT EDUCATION AND SOCIETY. 2025;30(9):1210-1226
Matrices of (dis)advantage - school segregation and social inequities in adolescent physical activity from an intersectionality approach
Hoy S; Lunde C; Larsson H; Ekblom O; Helgadottir B; Nyberg G
Article: ACTA PAEDIATRICA. 2025;114(7):1691-1701
Fitness and Screen Time at Age 13 Relates to Academic Performance at Age 16
Kjellenberg K; Helgadottir B; Ekblom O; Nyberg G
Article: PUBLIC HEALTH IN PRACTICE. 2025;9:100575
"If children don't feel safe, they won't come back": A qualitative exploration of parents' perceptions of health coordinators in a family-based programme in socially disadvantaged communities
Farias L; Hellenius M-L; Nyberg G; Andermo S
Article: MENTAL HEALTH AND PHYSICAL ACTIVITY. 2025;28:100683
Physical activity is linked to fewer psychosomatic problems in adolescents with ADHD symptoms
Fors E; Helgadottir B; Ekblom MM; Nyberg G; Selinus EN
Article: FRONTIERS IN SPORTS AND ACTIVE LIVING. 2025;7:1524414
Stakeholders' perspectives on barriers and facilitators to implementing extra physical activity in secondary schools to improve adolescents' health and academic performance
Andermo S; Farias L; Helgadottir B; Ekblom O; Nyberg G
Article: BMC PUBLIC HEALTH. 2025;25(1):580
The open health-promoting activities programme: redefining health promotion and family dynamics by engaging parents in socioeconomically deprived Swedish communities
Farias L; Hellenius M-L; Gringmann J; Nyberg G; Andermo S
Article: NPJ SCIENCE OF FOOD. 2024;8(1):64
A randomised crossover trial of nitrate and breakfast on prefrontal cognitive and haemodynamic response functions
Heiland EG; Lindh F; Regan C; Ekblom O; Kjellenberg K; Larsen FJ; Fernstrom M; Nyberg G; Ekblom MM; Helgadottir B
Article: INTERNATIONAL JOURNAL FOR EQUITY IN HEALTH. 2024;23(1):180
Building a healthy generation together: parents' experiences and perceived meanings of a family-based program delivered in ethnically diverse neighborhoods in Sweden
Farias L; Hellenius M-L; Nyberg G; Andermo S
Article: ACTA PAEDIATRICA. 2024;113(9):2119-2125
Universal healthy school start intervention reduced the body mass index of young children with obesity
Patterson E; Nyberg G; Norman A; Elinder LS
Article: BMC PUBLIC HEALTH. 2024;24(1):2090
Short, frequent physical activity breaks improve working memory while preserving cerebral blood flow in adolescents during prolonged sitting - AbbaH teen, a randomized crossover trial
Kjellenberg K; Ekblom O; Tarassova O; Fernstrom M; Nyberg G; Ekblom MM; Helgadottir B; Heiland EG
Article: ACTA PAEDIATRICA. 2024;113(8):1900-1907
Negative associations between step-up height and waist circumference in 8-year-old children and their parents
Hellenius M-L; Andermo S; Nordenfelt A; Lidin M; Nyberg L; Nyberg G
Article: PREVENTION SCIENCE. 2024;25(6):963-977
Effects of Universal School-Based Parental Support for Children's Healthy Diet and Physical Activity-the Healthy School Start Plus Cluster-Randomised Controlled Trial
Norman A; Malek ME; Nyberg G; Patterson E; Elinder LS
Article: FRONTIERS IN SPORTS AND ACTIVE LIVING. 2024;6:1236848
Gendered relations? Associations between Swedish parents, siblings, and adolescents' time spent sedentary and physically active
Hoy S; Larsson H; Kjellenberg K; Nyberg G; Ekblom O; Helgadottir B
Article: BMC PUBLIC HEALTH. 2023;23(1):1631
Adolescents' experiences of a school-based health promotion intervention in socioeconomically advantaged and disadvantaged areas in Sweden: a qualitative process evaluation study
Farias L; Nyberg G; Helgadottir B; Andermo S
Article: ACTA PAEDIATRICA. 2023;112(5):1011-1018
Effects of prolonged sitting and physical activity breaks on measures of arterial stiffness and cortisol in adolescents
Fernstrom M; Heiland EG; Kjellenberg K; Ponten M; Tarassova O; Nyberg G; Helgadottir B; Ekblom MM; Ekblom O
Article: BMC PUBLIC HEALTH. 2023;23(1):646
Parents' experiences of participating in the Healthy School Start Plus programme - a qualitative study
Malek ME; Andermo S; Nyberg G; Elinder LS; Patterson E; Norman A
Article: FRONTIERS IN PUBLIC HEALTH. 2023;11:1115789
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
Nyberg G; Helgadottir B; Kjellenberg K; Ekblom O
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All other publications

Study protocol: BMC PUBLIC HEALTH. 2026;26(1):719
School-based intervention to improve mental health, cognitive function, and academic performance in adolescents: a study protocol for a cluster randomised trial
Andermo S; Helgadottir B; Vera LF; Ekblom O; Nyberg G
Study protocol: PLOS ONE. 2023;18(5):e0285581
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
Regan C; Heiland E; Ekblom OJ; Tarassova O; Kjellenberg K; Larsen F; Walltott HM; Fernstrom M; Nyberg G; Ekblom M; Helgadottir B
Study protocol: TRIALS. 2022;23(1):22
ABBaH teens: Activity Breaks for Brain Health in adolescents: study protocol for a randomized crossover trial
Heiland EG; Kjellenberg K; Tarassova O; Fernstrom M; Nyberg G; Ekblom MM; Helgadottir B; Ekblom O
Editorial: ACTA PAEDIATRICA. 2021;110(9):2499-2500
It is time to get a move on and tackle worrying health behaviour patterns in children and adolescents
Nyberg G
Review: LAKARTIDNINGEN. 2019;116:FPZW
[Physical activity measured with accelerometers].
Arvidsson D; Barglind D; Bergman P; Ekblom Ö; Fröberg A; Hagströmer M; Löf M; Nyberg G
Study protocol: TRIALS. 2018;19(1):258
An eHealth program versus a standard care supervised health program and associated health outcomes in individuals with mobility disability: study protocol for a randomized controlled trial
Berglind D; Nyberg G; Willmer M; Persson M; Wells M; Forsell Y
Doctoral thesis: 2009
Physical activity in 6-10 year old children : variations over time, associations with metabolic risk factors and role in obesity prevention
Nyberg G

Employments

Affiliated to Research, Department of Global Public Health, Karolinska Institutet, 2026-2027

Degrees and Education

Docent, Karolinska Institutet, 2020
Degree Of Doctor Of Philosophy, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, 2009

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