World Health Organization 2020 guidelines on physical activity and sedentary behaviour

Fiona Bull*, Salih Al-Ansari, Stuart Biddle, Katja Borodulin, Matthew Buman, Greet Cardon, Catherine Carty, Jean-Philippe Chaput, Sebastien Chastin, Roger Chou, Paddy Dempsey, Loretta DiPietro, Ulf Ekelund, Joseph Firth, Christine Friedenreich, Leandro Garcia, Muthoni Gichu, Russell Jago, Peter Katzmarzyk, Estelle LambertMichael Leitzmann, Karen Milton, Francisco Ortega, Chathuranga Ranasinghe, Emmanuel Stamatakis, Anne Tiedemann, Richard Troiano, Hidde van der Ploeg, Vicky Wari, Juana Willumsen

*Corresponding author for this work

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Abstract

Objectives: To describe new WHO 2020 guidelines on physical activity and sedentary behaviour. Methods: The guidelines were developed in accordance with WHO protocols. An expert Guideline Development Group reviewed evidence to assess associations between physical activity and sedentary behaviour for an agreed set of health outcomes and population groups. The assessment used and systematically updated recent relevant systematic reviews; new primary reviews addressed additional health outcomes or subpopulations. Results: The new guidelines address children, adolescents, adults, older adults and include new specific recommendations for pregnant and postpartum women and people living with chronic conditions or disability. All adults should undertake 150–300min of moderate intensity, or 75–150min of vigorous-intensity physical activity, or some equivalent combination of moderate intensity and vigorous-intensity aerobic physical activity, per week. Among children and adolescents, an average of 60min/day of moderate-to-vigorous intensity aerobic physical activity across the week provides health benefits. The guidelines recommend regular muscle-strengthening activity for all age groups. Additionally, reducing sedentary behaviours is recommended across all age groups and abilities, although evidence was insufficient to quantify a sedentary behaviour threshold. Conclusion: These 2020 WHO guidelines update previous WHO recommendations released in 2010.They reaffirm messages that some physical activity is better than none, that more physical activity is better for optimal health outcomes and provide a new recommendation on reducing sedentary behaviours. These guidelines highlight the importance of regularly undertaking both aerobic and muscle strengthening activities and for the first time, there are specific recommendations for specific populations including for pregnant and postpartum women and people living with chronic conditions or disability. These guidelines should be used to inform national health policies aligned with the WHO Global Action Plan on Physical Activity 2018–2030 and to strengthen surveillance systems that track progress towards national and global targets.
Original languageEnglish
Pages (from-to)1451-1462
Number of pages12
JournalBritish Journal of Sports Medicine
Volume54
Early online date25 Nov 2020
DOIs
Publication statusPublished - Dec 2020

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