The study purpose was to examine whether adolescents who participated in organized physical activity (PA) programs differed from nonparticipants in motivation, social support, and self-efficacy related to PA; PA (min/hr); and sedentary screen time behavior. Thirty-nine 5th-7th grade adolescents participated in organized PA programs; 41 did not.…

Background: Physical education (PE) can provide opportunities to engage in daily moderate-to-vigorous physical activity (MVPA), but MVPA levels in many classes are low. This study examines MVPA during middle school PE lessons before and after receiving the SPARK (Sports, Play, and Active Recreation for Kids) program. Methods: Sixteen schools were…

The aims of this study were to 1) describe the children's physical activity (PA) patterns during the after-school period and 2) to compare the type and intensity of activity during the after-school period of children with or without participation in organized PA programmes. The participants were 456 children from four primary schools in Hong Kong.…

Adults with mental retardation (76 men, 74 women) reported their leisure time physical activity (LTPA). Men and women in community settings were similarly inactive, with 47% to 51% participating in little to no LTPA. Forty-two% to 47% reported participating in moderate to vigorous LTPA five or more times per week. (Contains references.) (Author/CR)