Purpose: To examine, within a social–ecological framework, associations between multifaceted individual and environmental factors and habitual physical activit
【正】We all know being physically active is good for you.But do we know how good? People can live up to 3 years longer,even with as little as 15 min of physica
Background:Physical education(PE)is a key channel that impacts children's decisions and behaviors for healthful living.This study evaluated the effects of a concept