Preventive medicine
-
Preventive medicine · May 2016
Review Meta AnalysisA systematic review and meta-analysis of moderate-to-vigorous physical activity levels in elementary school physical education lessons.
To examine elementary school students' moderate-to-vigorous physical activity (MVPA) levels during physical education (PE) lessons. ⋯ MVPA levels during elementary school PE lessons do not meet the United States Centre for Disease Control and Prevention and the United Kingdom's Association of Physical Education recommendation (50% of lesson time), but is higher than estimated in the previous review (34.2%). Interventions to increase MVPA in PE lessons are needed.
-
Preventive medicine · May 2016
Randomized Controlled TrialPreventing obesity among Brazilian adolescent girls: Six-month outcomes of the Healthy Habits, Healthy Girls-Brazil school-based randomized controlled trial.
School-based trials to prevent and reduce prevalence of pediatric obesity in low-income countries are necessary. In Brazil, addressing adolescent obesity is a public health priority. ⋯ These findings provide some evidence for the benefit of a school-based intervention to prevent unhealthy weight gain in adolescent girls living in low-income communities.