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Abstract：
BACKGROUND: Evidence suggests that a substantial proportion of children meet guidelines for sufficient physical activity, but also exceed TV guidelines. Health-related consequences of this combination are unknown.
METHODS: 843 children, (age 10-11 y), were surveyed for health-related fitness [endurance performance (20 m MST), skinfolds, waist girth], daily TV and moderate-to-vigorous physical activity (MVPA). Children were grouped using daily TV (≤ 120 min) and MVPA (≥ 60 min) guidelines: hiTV-hiMVPA/\"technoactives\"\'; hiTV-loMVPA/\"screenies\"; and loTV-hiMVPA/\"sporties.\" Groups were compared on health-related fitness measures.
RESULTS: There was a trend (P = 0.07) towards higher girls\' skinfolds among \"screenies\" than \"sporties.\" Boys\' waist girths were higher among \"technoactives\" than \"sporties\" (P = 0.008). Male \"technoactives\" outperformed \"screenies\" on the 20 m MST (P = 0.03). Female \"sporties\" (P = 0.004) and \"technoactives\" (P = 0.0002) outperformed \"screenies\" on the 20 m MST.
CONCLUSIONS: \"Technoactives\" were no different than \"sporties\" on endurance fitness but exhibited less favorable fat distribution among boys. Overall, \"screenies\" exhibited the least favorable health profiles.
METHODS: 843 children, (age 10-11 y), were surveyed for health-related fitness [endurance performance (20 m MST), skinfolds, waist girth], daily TV and moderate-to-vigorous physical activity (MVPA). Children were grouped using daily TV (≤ 120 min) and MVPA (≥ 60 min) guidelines: hiTV-hiMVPA/\"technoactives\"\'; hiTV-loMVPA/\"screenies\"; and loTV-hiMVPA/\"sporties.\" Groups were compared on health-related fitness measures.
RESULTS: There was a trend (P = 0.07) towards higher girls\' skinfolds among \"screenies\" than \"sporties.\" Boys\' waist girths were higher among \"technoactives\" than \"sporties\" (P = 0.008). Male \"technoactives\" outperformed \"screenies\" on the 20 m MST (P = 0.03). Female \"sporties\" (P = 0.004) and \"technoactives\" (P = 0.0002) outperformed \"screenies\" on the 20 m MST.
CONCLUSIONS: \"Technoactives\" were no different than \"sporties\" on endurance fitness but exhibited less favorable fat distribution among boys. Overall, \"screenies\" exhibited the least favorable health profiles.
摘要：
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