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An improved method for estimating changes in whole-body fat and protein mass in man

Published online by Cambridge University Press:  09 March 2007

P. R. Murgatroyd  and
W. A. Coward
P. R. Murgatroyd
Affiliation:
MRC Dunn Clinical Nutrition Centre, 100 Tennis Court Road, Cambridge CB2 IQL
W. A. Coward
Affiliation:
MRC Dunn Clinical Nutrition Centre, 100 Tennis Court Road, Cambridge CB2 IQL
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Abstract

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Sequential measurements of body density or total body water yield inaccurate estimates of body composition change unless the proportions of protein, water and mineral in lean tissue remain constant. Since rates of change of bone mass in adults are likely to be small compared with those of fat or protein mass, volume and total body water measurements can be combined in a three-compartment model to estimate fat and protein changes assuming constant mineral mass. This new model minimizes the bias inherent in estimates of fat or protein changes made from separate density or total body water measurements.

Keywords

Whole-body fat massWhole-body protein mass
Type
Body Composition
Information
British Journal of Nutrition , Volume 62 , Issue 2 , September 1989 , pp. 311 - 314
Copyright
Copyright © The Nutrition Society 1989

References

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