Correlation between body volume and body mass in men

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Abstract
A study was made of the body density of 979 United States Air Force enlisted men and associated personnel. The following measurements were made: a) body height, b) body weight, c) body volume by water displacement, and d) residual lung volume. Surface area, body volume, corrected for residual lung volume and gas in the intestinal tract, and body weight divided by volume were then computed. There was a very close correlation between body weight and body volume, a poor correlation between body height and body volume, and a moderate correlation between body surface area and body volume. A linear equation was derived to compute volume from weight only, volume in liters = 1.015 weight (in kilograms) – 4.937. Prediction equations may be used to compute body fat, total body water, and dry fat-free mass from body weight alone. Two implications of this study are: a) among men of military age, individuals of equal body weight have remarkably similar body composition; and b) in this same population, the larger men tend to have the lower density.

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