The World Health Organization defines physical activity as any movement produced by muscles (biceps, abdominals...), responsible for an increase in energy expenditure. This definition includes "sporting" activity (carried out within a specific framework with rules and a principle of comThis definition includes "sporting" activity (carried out within a precise framework with rules and a principle of competition), but also any daily activity such as housework, gardening, walking or climbing stairs. WHO recommends at least 60 minutes of moderate-to-sustained physical activity per day for children and adolescents, and at least 150 minutes of moderate activity or 75 minutes of sustained activity per week for adults.

For further information, we recommend that you consult :

- The Santé Publique France website, and its thematic dossier on sedentariness & physical activity

- The website of ANSES, the French Agency for Food, Environmental and Occupational Health and Safety, and in particular its sedentary lifestyle and physical activity section.

- The WHO report, which unveiled its guidelines on physical activity and sedentariness in 2020