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The Energy Expenditure of Boys and Girls 9 to 11 Years of Age (1) Sitting Listening to the Radio (Phonograph), (2) Sitting Singing, and (3) Standing Singing

1949; Elsevier BV; Volume: 38; Issue: 1 Linguagem: Inglês

10.1093/jn/38.1.1

1541-6100

Clara Mae Taylor, Orrea F. Pye, Anne Caldwell, Edna Ruth Sostman,

Obesity, Physical Activity, Diet

The energy expenditure of 22 children (12 boys and 10 girls), 9 to 11 years of age, was measured while they were sitting in a respiration chamber listening to the phonograph. The average energy expenditure of the boys was 2.07 ± 0.06 Cal. per kilogram of body weight per hour (coefficient of variation, 13.0%) and 0.54 ± 0.01 Cal. per centimeter of height per hour (coefficient of variation, 11.9%); and of the girls 1.80 ± 0.04 Cal. per kilogram of body weight per hour (coefficient of variation, 10.5%) and 0.45 ± 0.01 Cal. per centimeter of height per hour (coefficient of variation, 12.8%). The energy expenditure of 15 children (6 boys and 9 girls) was measured while they were sitting singing. The average energy expenditure of the boys was 2.23 ± 0.06 Cal. per kilogram of body weight per hour (coefficient of variation, 13.2%) and 0.57 ± 0.02 Cal. per centimeter of height per hour (coefficient of variation, 14.0%); and of the girls 2.06 ± 0.07 Cal. per kilogram of body weight per hour (coefficient of variation, 17.5%) and 0.52 ± 0.02 Cal. per centimeter of height per hour (coefficient of variation, 15.9%). The energy expenditure of 17 children (8 boys and 9 girls) was measured while they were standing singing. The average energy expenditure of the boys was 2.35 ± 0.05 Cal. per kilogram of body weight per hour (coefficient of variation, 10.7%) and 0.60 ± 0.01 Cal. per centimeter of height per hour (coefficient of variation, 11.6%); and of the girls 2.13 ± 0.06 Cal. per kilogram of body weight per hour (coefficient of variation, 14.2%) and 0.54 ± 0.01 Cal. per centimeter of height per hour (coefficient of variation, 11.2%).