BACKGROUND: Declining levels of physical activity in the population at large may be
responsible in part for the rising rates of childhood obesity. Studies to date, however, have …

This study examined the effect of preschool physical activity on the change in body fatness
from preschool to first grade. The Framingham Children's Study, a longitudinal study of …

BACKGROUND: The importance of variation in total volume of physical activity or moderate-
to vigorous-intensity physical activity (MVPA) to development of body fatness in childhood is …

BACKGROUND: Physical activity is assumed to reduce excessive fatness in children. This
study examined whether the benefits of early childhood moderate-to-vigorous physical …

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) …

Aim: To review the published prospective observational studies of the relationship of
physical activity and sedentary behavior with the development of overweight and adiposity …

Background: In the UK and USA, government guidelines for childhood physical activity have
been set (⩾ 60 min/day at⩾ 3 metabolic equivalents of thermogenesis (METs)), and body …

Objective: The impact of activity and inactivity on relative weight and fatness change are best
evaluated longitudinally. We examined the longitudinal relationship of physical activity …

Background. Understanding the determinants of adiposity in young children may be
particularly critical for preventing adult obesity since the age at which body fatness reaches …

OBJECTIVE: To evaluate the association between objectively measured daily physical
activity and body fat. STUDY DESIGN: Cross-sectional, observational, study of 248 children …