Friends and Physical Activity during the Transition from Primary to Secondary School

Patterns of GPS measured time outdoors after school and objective physical activity in English children: the PEACH project

(2010) Ashley R Cooper et al.   International Journal of Behavioral Nutrition and Physical Activity

Better with a Buddy

(2010) RUSSELL JAGO et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Comparison of Accelerometer Cut Points for Predicting Activity Intensity in Youth

(2010) STEWART G. TROST et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Physical Activity in the United States Measured by Accelerometer

(2009) RICHARD P. TROIANO et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Moderate-to-Vigorous Physical Activity From Ages 9 to 15 Years

(2008) Philip R. Nader   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Calibration of two objective measures of physical activity for children

(2008) Kelly R. Evenson et al.   JOURNAL OF SPORTS SCIENCES