The Estimation of the Fat Free Mass Index in Athletes
| Author | Jeremy P. Loenneke | en |
| Author | Jacob M. Wilson | en |
| Author | Mandy E. Wray | en |
| Author | Jeremy T. Barnes | en |
| Author | Monica L. Kearney | en |
| Author | Thomas J. Pujol | en |
| Issued Date | 2012-08-31 | en |
| Abstract | Purpose: The 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. Methods: 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. Results: 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, P=0.007) and females (BIA=16.2 kg/m2 vs. DEXA=17.5 kg/m2, P=0.001). Conclusions: 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. | en |
| DOI | https://doi.org/10.5812/asjsm.34691 | en |
| Keyword | Body Mass Index | en |
| Keyword | Body Fat | en |
| Keyword | Sports | en |
| Keyword | Fat Free Mass | en |
| Keyword | Dual Energy X-ray Absorptiometry | en |
| Keyword | DEXA Scan | en |
| Publisher | Brieflands | en |
| Title | The Estimation of the Fat Free Mass Index in Athletes | en |
| Type | Research Article | en |
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