Using momentary time sampling to estimate minutes of physical activity in physical education: validation of scores for the system for observing fitness instruction time.
作者信息
Heath Edward M, Coleman Karen J, Lensegrav Tera L, Fallon Jennifer A
机构信息
Health, Physical Education, and Recreation Department, Utah State University, Logan 84322-7000, USA.
出版信息
Res Q Exerc Sport. 2006 Mar;77(1):142-6. doi: 10.1080/02701367.2006.10599341.
Abstract
摘要
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