Zixin Chen, Dewei Yang, Ang Li, Louzong Sun, Jifan Zhao, Jie Liu, Linxun Liu, Xiaobo Zhou, Yonghua Chen, Yunqiang Cai, Zhong Wu, Ke Cheng, He Cai, Ming Tang, Bing Peng, Xin Wang
Decoding surgical skill: an objective and efficient algorithm for surgical skill classification based on surgical gesture features -experimental studies
International journal of surgery (London, England)
physical activity associated many physical mental health benefits however many children meet national physical activity guidelines schools provide ideal setting promote childrens physical activity adding physical activity school day difficult given time constraints often imposed competing key learning areas classroombased physical activity may provide opportunity increase schoolbased physical activity concurrently improving academicrelated outcomes primary aim systematic review metaanalysis evaluate impact classroombased physical activity interventions academicrelated outcomes secondary aim evaluate impact lessons physical activity levels study durationa systematic search electronic databases pubmed eric sportdiscus psycinfo performed january 2016 updated january 2017 studies investigated association classroombased physical activity interventions academicrelated outcomes primary elementary schoolaged children included metaanalyses conducted review manager effect sizes calculated separately outcome assessedthirtynine articles met inclusion criteria review 16 provided sufficient data appropriate design inclusion metaanalyses studies investigated range academicrelated outcomes including classroom behaviour eg ontask behaviour cognitive functions eg executive function academic achievement eg standardised test scores results metaanalyses showed classroombased physical activity positive effect improving ontask reducing offtask classroom behaviour standardised mean difference 060 95 ci 020100 led improvements academic achievement progress monitoring tool used standardised mean difference 103 95 ci 022184 however effect found cognitive functions standardised mean difference 033 95 ci 011077 physical activity standardised mean difference 040 95 ci 115095results suggest classroombased physical activity may positive impact academicrelated outcomes however possible draw definitive conclusions due level heterogeneity intervention components academicrelated outcomes assessed future studies consider intervention period selecting academicrelated outcome measures use objective measure physical activity determine intervention fidelity effects overall physical activity levels