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The Energy Expenditure for Quiet Play and Cycling of Girls 6 to 14 Years of Age

1951; Elsevier BV; Volume: 44; Issue: 2 Linguagem: Inglês

10.1093/jn/44.2.275

1541-6100

Ethel M. Thompson, Mary E. R. Bal, Edna M. McIntosh, Grace MacLeod, Clara Mae Taylor,

Sports and Physical Education Research

Fifty-four determinations of the energy expenditure for quiet play and 55 for cycling by 20 girls, 6 to 14 years of age, are reported. A respiration chamber equipped with a bicycle ergometer of electric brake type was used. Twenty determinations were made on girls 6 to 9 years of age. For quiet play the average total energy expenditure was 2.80 Cal. per kilogram per hour, or 0.57 Cal. per centimeter of height per hour. These results are, respectively, 55 and 63% above the average basal energy expenditure. For cycling the average total expenditure was 6.19 Cal. per kilogram per hour or 1.27 Cal. per centimeter of height per hour. The increases above the basal expenditure are, respectively, 242 and 263%. Twenty determinations of the energy expenditure for quiet play and 21 for cycling on girls 10 to 12 years of age gave for quiet play an average expenditure of 2.38 Cal. per kilogram per hour, or 0.55 Cal. per centimeter of height per hour, and for cycling 4.93 Cal. per kilogram per hour or 1.14 Cal. per centimeter of height per hour. These results are, respectively, 69, 77, 250 and 268% above the basal expenditure. Fourteen determinations were made on girls 12 to 14 years of age. The average energy expenditure for quiet play was 1.85 Cal. per kilogram per hour or 0.57 Cal. per centimeter of height per hour. These results are, respectively, 53 and 58% above the basal energy expenditure. For cycling the average was 3.31 Cal. per kilogram per hour or 1.01 Cal. per centimeter of height per hour. The increases above the basal expenditure are, respectively, 174 and 181%.