1. 2018 Physical Activity Guidelines Advisory Committee scientific report,2018
2. Global trends in insufficient physical activity among adolescents: a pooled analysis of 298 population-based surveys with 1.6 million participants;Guthold;Lancet Child Adolesc Health,2020
3. Fysisk aktivitet og stillesiddende adfærd blandt 11-15 årige - National monitorering med objektive målinger. København S,2019
4. Global action plan on physical activity 2018–2030: more active people for a healthier world. Geneva: Licence: CC BY-NC-SA 3.0 IGO,2018
5. School-based physical activity programs for promoting physical activity and fitness in children and adolescents aged 6 to 18;Neil-Sztramko;Cochrane Database Syst Rev,2021