The prevalence of child and adolescent obesity has plateaued at high levels in most high-
income countries and is increasing in many low-income and middle-income countries …

Abstract Background Meeting the 24-Hour Movement Guidelines (physical activity, screen
time, and sleep duration) has been associated with positive health indicators. However …

Moderate‐to‐vigorous‐intensity physical activity (MVPA) is important for childhood obesity
prevention and treatment, yet declines with age. Timing and magnitude of the decline in …

Background Levels of physical activity and variation in physical activity and sedentary time
by place and person in European children and adolescents are largely unknown. The …

Background Physical activity has many health benefits for young people. In 2018, WHO
launched More Active People for a Healthier World, a new global action on physical activity …

Abstract Introduction In France March 14, 2020 a national lockdown was imposed in France
for 55 days to prevent the spread of COVID-19 and all schools were closed. This study …

Background Restrictions due to the coronavirus disease 2019 (COVID-19) pandemic
reduced physical activity provision for both children and their parents. Recent studies have …

Background In recent years, researchers have begun applying a trajectory approach to
identify homogeneous subgroups of physical activity (PA) in heterogeneous populations …

Background: Several reviews of mobile health (mHealth) physical activity (PA) interventions
suggest their beneficial effects on behavior change in adolescents and adults. Owing to the …

China is experiencing significant public health challenges related to social and
demographic transitions and lifestyle transformations following unprecedented economic …