807 THE REPRODUCIBILITY AND VALIDITY OF A QUESTIONNAIRE TO ASSESS PAST-YEAR PHYSICAL ACTIVITY IN ADOLESCENTS.

Aaron, D J; Kriska, A M FACSM; Metz, K E FACSM; Cauley, J A; LaPorte, R E
Medicine & Science in Sports & Exercise:
E-37 SLIDE ACTIVITY IN CHILD & ADOLESCENT: PDF Only