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Equations using anthropometric measurements predicting BFM with bbw amateurs DXA as a reference method were developed using regression models. The final best predictive sex-specific equations combining SF, circumferences, and bone breadth measurements were as follows: BFMnew(kg) for bbw amateurs men = -40.75 + {(0.397 x waist circumference) + [6.568 x (log triceps SF + log subscapular SF + log abdominal SF)] } and BFMnew(kg) for bbw amateurs women - - 75.231 + {(0.512 x hip circumference) + [8.889 x (log chin SF + log triceps SF + log subscapular SF)] + (1.905 x knee breadth)}. The estimates of BFM from both validation and cross-validation had an excellent correlation, showed excellent correspondence to the DXA estimates, and showed a negligible tendency to underestimate percent body fat in subjects with higher BFM compared with equations using a two-compartment or a four-compartment model as the reference method. Continue article Advertisement The data showed that combining SF with circumference and/or bone breadth measures provide a more precise prediction of percent body fat in comparison with established SF equations.
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