The accurate measurement of physical activity is fraught with problems in adults, but more
especially in children because they have more complex and multi-dimensional activity …

Context.—Physical inactivity contributes to weight gain in adults, but whether this
relationship is true for children of different ethnic groups is not well established. Objective …

The benefits of physical activity in youth have been documented for aerobic fitness, blood
lipids, blood pressure, body composition, glucose, insulin, skeletal health, and psychological …

Methods Students in grades 4, 8, and 11 participated in the School Physical Activity and
Nutrition survey during the 2004-2005 academic year. Multinomial logistic regression tested …

Objective: There is currently wide interest in the physical activity of children, but little
understanding of its control. Here, we use accelerometers to test the hypothesis that habitual …

Chronic disease risk factors, including a sedentary lifestyle, may be present even in young
children, suggesting that early prevention programmes may be critical to reducing the rates …

The aim of this review is to provide a scientific update on evidence related to the biological
and psycho-social health benefits of physical activity in school-aged children and youth. To …

It is well established that lack of physical activity and high bouts of sedentary behaviour are
now associated with all-cause and cardiovascular mortality. The purpose of this study was to …

The fitness and physical activity levels of children and youth are commonly questioned, but
the evidence cited is both equivocal and methodologically diverse. The amount and type of …

OBJECTIVE: To review the empirical evidence of associations between television (TV)
viewing, video/computer game use and (a) body fatness, and (b) physical activity. DESIGN …