Effects of school-based physical activity interventions on cardiorespiratory fitness and body composition in children and adolescents: A systematic review and meta-analysis using the RE-AIM framework

Key Points

• Improved cardiorespiratory fitness was observed, with a standardized mean difference of 0.58 across studies.
• Analysis included 30 studies, focusing on the impact of physical activity interventions in school settings.
• The systematic review utilized the RE-AIM framework to assess effectiveness, reach, adoption, implementation, and maintenance of interventions.
• Findings may guide future health policies targeting school physical activity programs for children and adolescents.