Preventive medicine
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Preventive medicine · Nov 2013
Multicenter Study Controlled Clinical TrialEffects of a playground marking intervention on school recess physical activity in French children.
Playground interventions offer an opportunity to enhance school recess physical activity. We aimed to assess the effects of playground marking on objectively measured school recess physical activity in French children. ⋯ Painted playground markings had a positive short-term effect on school recess physical activity levels.