The challenge of low physical activity during the school day: at recess, lunch and in physical education.
Br J Sports Med
; 45(10): 813-9, 2011 Aug.
Article
en En
| MEDLINE
| ID: mdl-20215489
PURPOSE: To describe physical activity (PA) intensity across a school day and assess the percentage of girls and boys achieving recommended guidelines. METHODS: The authors measured PA via accelerometry in 380 children (8-11 years) and examined data representing (1) the whole school day, (2) regular class time, (3) recess, (4) lunch and (5) scheduled physical education (PE). Activity was categorised as sedentary (SED), light physical activity (LPA) or moderate to vigorous physical activity (MVPA) using age-specific thresholds. They examined sex differences across PA intensities during each time period and compliance with recommended guidelines. RESULTS: Girls accumulated less MVPA and more SED than boys throughout the school day (MVPA -10.6 min; SED +13.9 min) recess (MVPA -1.6 min; SED +1.7 min) and lunch (MVPA -3.1 min; SED +2.9 min). Girls accumulated less MVPA (-6.2 min), less LPA (-2.5 min) and more SED (+9.4 min) than boys during regular class time. Fewer girls than boys achieved PA guidelines during school (90.9% vs 96.2%), recess (15.7% vs 34.1%) and lunch (16.7% vs 37.4%). During PE, only 1.8% of girls and 2.9% of boys achieved the PA guidelines. Girls and boys accumulated similar amounts of MVPA, LPA and SED. CONCLUSION: The MVPA deficit in girls was due to their sedentary behaviour as opposed to LPA. Physical activity strategies that target girls are essential to overcome this deficit. Only a very small percentage of children met physical activity guidelines during PE. There is a great need for additional training and emphasis on PA during PE. In addition schools should complement PE with PA models that increase PA opportunities across the school day.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Educación y Entrenamiento Físico
/
Servicios de Salud Escolar
/
Ejercicio Físico
Tipo de estudio:
Clinical_trials
/
Prognostic_studies
Límite:
Child
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Female
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Humans
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Male
País/Región como asunto:
America do norte
Idioma:
En
Revista:
Br J Sports Med
Año:
2011
Tipo del documento:
Article
País de afiliación:
Canadá
Pais de publicación:
Reino Unido