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9 - Anthropometry and body composition

Published online by Cambridge University Press:  19 November 2009

Stanley J. Ulijaszek
Affiliation:
University of Cambridge
C. G. Nicholas Mascie-Taylor
Affiliation:
University of Cambridge
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Summary

Introduction

Humans have been concerned with the composition of the human body for many centuries. Since ca. 440 BC, when Hippocrates postulated his ideas of the four constituents of man, we have come a long way in our understanding of the composition of the body. Most current techniques might be regarded, however, as a retrograde step as usually the body is split into two components, fat-free mass (FFM) and fat mass (FM). Describing the body as two compartments began in earnest when a number of workers produced equations relating the specific gravity or density of the body to the percentage of fat within it (Rathbun & Pace, 1945; Siri, 1956). The principle on which these equations are based was derived hundreds of years ago by Archimedes, namely, that if a body has two components of different densities, the proportion of the components can be calculated from the density of the body. Using these and other equations a great deal of work has been done to assess the percentage of the body which is fat, and hence calculate body FM. Much of the early work involved US Navy personnel (Behnke, Feen & Welham, 1942; Morales et al., 1945). Another measure, subcutaneous ‘fatness’, has been assessed by using skinfold callipers, the skinfold measurements often being related to total body fat measurements. More complex techniques are laboratory-based, while anthropometric techniques are used to assess body composition under field conditions.

Measurement of body composition in children offers a number of problems not necessarily encountered in studies of adults. This chapter concentrates on the difficulty of using anthropometry to assess body composition in children, and presents a possible new anthropometric tool.

Type
Chapter
Information
Anthropometry
The Individual and the Population
, pp. 130 - 140
Publisher: Cambridge University Press
Print publication year: 1994

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