PURPOSE: To identify similar patterns of physical activity (PA) and sedentary behavior in
sixth-grade girls using cluster analysis; to determine which clusters of girls were associated …

Background: The purpose of this study was to examine whether there are differences in
physical activity (PA) during specific periods of the day among active and less-active girls …

PURPOSE: Although girls are generally less physically active than boys, some girls
regularly engage in high levels of physical activity (PA); however, very little is known about …

Background: While much is known about the overall levels of physical activity and sedentary
activity among youth, few studies have attempted to define clusters of such behaviors. The …

The moderate-to-vigorous physical activity (MVPA) of 70 children (age 8.6 years; 40 boys)
was measured and gender and age differences were compared. Boys spent 28 minutes per …

Background: Some researchers have questioned if activity programs would be more
effective if based outside school (eg, community leagues) rather than within schools. This …

Background: Few studies have compared physical activity (PA) and sedentary activity (SA)
by grade and ethnicity, specifically including elementary school students. A cross-sectional …

PURPOSE: To determine the annual rate at which physical activity changes in girls during
middle school using both objective and self-report measures of physical activity. METHODS …

Objectives: We identified classes of physical activity (PA) and sedentary behaviors (SB) in
5th grade children, associated factors, and trajectories of change into 7th grade. Methods …

Background Schools play an important role in promoting physical activity (PA) through
school day schedules and policies. Purpose To investigate different intensities of children's …