The Energy Expenditure of 9- to 11-Year-old Boys and Girls (1) Standing Drawing and (2) Dressing and Undressing

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Abstract
The energy expenditure of 7 boys and 12 girls, 9 to 11 years of age, selected from a home for children and from a private school, has been measured while they were standing drawing and while they were dressing and undressing in a respiration chamber. The average energy expenditure by the boys while standing drawing was found to be 3.19 ± 0.10 Cal. per kilogram of weight per hour with a coefficient of variation of 15.8% and 0.83 ± 0.03 Cal. per centimeter of height per hour with a coefficient of variation of 20.5%. The average energy expenditure by the girls while standing drawing was found to be 2.62 ± 0.05 Cal. per kilogram of weight per hour with a coefficient of variation of 9.6% and 0.63 ± 0.01 Cal. per centimeter of height per hour with a coefficient of variation of 9.5%. The average energy expenditure by the boys while dressing and undressing was found to be 4.29 ± 0.16 Cal. per kilogram of weight per hour with a coefficient of variation of 18.9% and 1.09 ± 0.04 Cal. per centimeter of height per hour with a coefficient of variation of 18.3%. The average energy expenditure by the girls while dressing and undressing was found to be 4.04 ± 0.13 Cal. per kilogram of weight per hour with a coefficient of variation of 18.1% and 1.00 ± 0.03 Cal. per centimeter of height per hour with a coefficient of variation of 14.9%.