Objective: The population of young people most vulnerable to low levels of physical activity (e.g. urban/minority/low socio-economic status/female/non-athletes) often has the least access to physical activity opportunities and resources. It has been suggested that a comprehensive, school-based approach, including prudent use of time before, during…

Objective: In the USA there are rising rates of obesity among children, at least in part due to unhealthy eating and physical inactivity. Implementing school-based health interventions with elementary school children focused on youth empowerment could lead to improved health environments and behaviours. The purpose of the present study was to…