An update on secular trends in physical fitness of children and adolescents from 1972 to 2015
A systematic review
Background: There is evidence that physical fitness of children and adolescents (particularly cardiorespiratory endurance) has declined globally over the past decades. Ever since the first reports on negative trends in…
Associations between accelerometry measured physical activity and sedentary time and the metabolic syndrome
A meta‐analysis of more than 6000 children and adolescents
Background: Metabolic syndrome is increasingly prevalent in the pediatric population. To prevent an early onset, knowledge about its association with modifiable lifestyle factors is needed. Objectives: To estimate the prevalence…
Effects of physical activity on schoolchildren's academic performance
The Active Smarter Kids (ASK) cluster-randomized controlled trial
Objective: To investigate the effect of a seven-month, school-based cluster-randomized controlled trial on academic performance in 10-year-old children. Methods: In total, 1129 fifth-grade children from 57 elementary schools in Sogn…
Effect of school based physical activity programme (KISS) on fitness and adiposity in primary schoolchildren
Clustered randomised controlled trial
Objective: to assess the effectiveness of a school based physical activity programme during one school year on physical and psychological health in young schoolchildren. Conclusions: a school based multi-component physical…