Author/Authors :
Sue YS Kimm، نويسنده , , Nancy W Glynn، نويسنده , , Eva Obarzanek، نويسنده , , Andrea M. Kriska، نويسنده , , Stephen R. Daniels، نويسنده , , Bruce A Barton، نويسنده , , Kiang Liu، نويسنده ,
Abstract :
Background
The role of physical activity in preventing obesity during adolescence remains unknown. We examined changes in activity in relation to changes in body-mass index (BMI) and adiposity in a cohort of 1152 black and 1135 white girls from the USA, w