TY - GEN AU - Brusseau,Timothy A AU - Burns,Ryan D AU - Fu,You TI - Contextual factors related to physical activity during daily middle school physical education SN - 1878-1861 PY - 2017///0612 KW - Accelerometry KW - methods KW - Adolescent KW - Analysis of Variance KW - Exercise KW - Female KW - Humans KW - Male KW - Motor Skills KW - Physical Education and Training KW - Prospective Studies KW - Schools KW - Seasons KW - Students KW - Time Factors N1 - Publication Type: Journal Article; Observational Study UR - https://doi.org/10.1016/j.jsams.2015.10.001 ER -