Rosalie Coolkens, Phillip Ward, Jan Seghers, Peter Iserbyt
The Effect of Organized Versus Supervised Recess on Elementary School Children's Participation, Physical Activity, Play, and Social Behavior: A Cluster Randomized Controlled Trial
Journal of physical activity & health
identify associations amount school recess provision childrens physical activity pa weight status adiposity cardiorespiratory endurance muscular strength muscular endurance data 6 11yearold participants n 499 2012 national youth fitness survey analyzed parentsguardians reported childrens pa levels recess provision categorized nominimal 90 low 261 medium 460 high 189 children wore wristworn accelerometer 7 days completed anthropometric measurements fitness assessed using grip strength treadmill pullup plank tests crosssectional linear logistic regression compared outcomes across levels recess provision adjusting surveys complex sampling design children high provision recess 231 times likely meet pa guidelines according parent report nominimal recess accelerometermeasured pa followed ushaped pattern wherein pa higher children high compared low recess provision comparable nominimal recess provision associations weight status adiposity fitness current recess recommendations 20 mind1 may insufficient 30 minutes per day recess associated 2fold greater likelihood achieving recommended pa levels additional research recess quantity quality needed