Asian Journal of Sports Medicine
Jeremy P. Loenneke5,*, 
Jacob M. Wilson5, Mandy E. Wray5, Jeremy T. Barnes5, Monica L. Kearney5, Thomas J. Pujol5The purpose of this investigation was to compare a practical measurement of fat free mass index (FFMI) from bioelectrical impedance analysis (BIA) to the dual energy X-ray absorptiometry (DEXA) value in collegiate athletes.
Thirty-three male baseball players and 16 female gymnasts volunteered to participate in this study during their respective pre-season. Subjects visited the laboratory once and had their measurements taken in the following order: weight, height, DEXA, and Omron HBF-500.
The BIA device investigated was not a valid estimate of FFMI when compared to the DEXA. The TE was 0.93 kg/ m2 for males and 0.78 kg/ m2 for females. There were also significant mean differences between the BIA prediction and the DEXA value for males (BIA=20.6 kg/m2 vs. DEXA=21.1 kg/m2,
The BIA device investigated in this study did not provide a valid estimate of FFMI in male and female collegiate athletes. Although there was a general tendency for the BIA to underestimate FFMI compared to DEXA, 98% of the estimates were within plus or minus 2 kg/ m2. Therefore, while slightly biased, BIA may provide a reasonable ( 2 kg/ m2) estimate of nutritional status for practitioners who are unable able to afford more expensive equipment.
© 2012, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
Loenneke JP, Hirt KM, Wilson JM, Barnes JT, Pujol TJ. Predicting Body Composition in College Students Using the Womersley and Durnin Body Mass Index Equation. Asian J Sports Med. 2013;4(2):34516. doi: https://doi.org/10.5812/asjsm.34516
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