Examination of Physical Activity in Adolescents Over the School Year

• Autores: Mark W. Bruner, Karen E. Chad, Tanya C. Verrall
• Localización: Pediatric exercise science, ISSN 0899-8493, Vol. 21, Nº. 4, 2009, págs. 421-435
• Idioma: inglés
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• Resumen

  • This study monitored the physical activity behavior of adolescent students over a ten month school year. Physical activity was assessed at two month intervals using self-report and objective (Actical accelerometers) measures. Self-report results (n = 547) indicated a decline in physical activity throughout the school year for all grades and genders. The decline was attributed largely to a decrease in organized activity participation. Objective physical activity results (n = 40) revealed a significant decline in activity in the latter half of the school year (February to June). Declining physical activity was attributed to a decrease in vigorous activity which was consistent across grade and gender. Collectively, the results highlight the importance of promoting consistent opportunities for adolescents to be active throughout the school year