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Comparison of components of body composition, each as a percent of body weight, in 1,376 older men. In combination, the three-compartment DXA measures of bone mineral, fat and total lean equal 100%. Superimposed are the measures of D3Cr muscle and DXA ALM. The men are ranked with those with highest D3Cr on the left and lowest on the right. ALM = appendicular lean mass; DXA = dual-energy x-ray absorptiometry.
