Influence of Body Type and Body Fat Content on the Metabolic Cost of Work

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Abstract
The metabolic cost of work involving lifting the body was measured in 30 male college studients during grade-running on a treadmill. The cost is predicted more accurately by gross body weight than by lean body mass, surface area, height, chest circumference or abdominal circumference. The prediction value of factors other than body weight is due largely to their respective correlations with body weight. Obesity limits the capacity for strenuous exertion by increasing the energy cost of exercise without a proportional increase in maximal capacity for O2 uptake.

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