Chirle de Oliveira Raphaelli, Mario Renato de Azevedo Júnior, Helen Gonçalves, Pedro Curi Hallal
Cross-sectional study on work and health risk behaviors among school students in a rural area of Rio Grande do Sul State, Brazil, 2010
Epidemiologia e servicos de saude : revista do Sistema Unico de Saude do Brasil
researchers found manipulative skill competency childhood helps improve physical activity participation also helps adolescents learn specialized sports skills study aimed examine effects eightweek bilateral coordinated movement bcm intervention manipulative skill competency schoolaged children participants 314 fourthgrade students two elementary schools china study used twoarm quasiexperimental research design one elementary school two fourthgrade classes assigned bcm group another two fourthgrade classes assigned control group elementary school one fourthgrade class assigned bcm group another fourthgrade class control group students bcm group received eightweek two 40 min bcm lessons soccer another eightweek two 40min bcm lessons basketball control group received eightweek two regular 40 min pe lessons soccer basketball respectively students manipulative skill competency soccer basketball skills pre posttested using two pe metric assessment rubrics data analyzed means descriptive statistics independent sample ttests ancova anova repeated measures results showed significant main effect time pretest vs posttest soccer skills f 273095 p 0001 2 0468 basketball skills f 74619 p 0001 2 0193 additionally results revealed significant main effect group bcm group vs control group soccer skills f 37532 p 0001 2 0108 marginal significant main effect groups basketball skills f 3619 p 0058 2 0011 furthermore significant interaction effect time group soccer skills f 37532 p 0001 2 0108 basketball skills f 18380 p 0001 2 0056 concluded participation eightweek 16 40 min lessons bcm fourthgrade students showed greater improvement soccer basketball dribbling passing receiving skills compared control group