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Validity of the BOD POD for Assessing Body Composition in Athletic High School Boys

Moon, Jordan R1; Tobkin, Sarah E1; Costa, Pablo B2; Smalls, Marcus2; Mieding, William K2; O'Kroy, Joseph A2; Zoeller, Robert F2; Stout, Jeffrey R1

The Journal of Strength & Conditioning Research: January 2008 - Volume 22 - Issue 1 - p 263-268
doi: 10.1519/JSC.0b013e31815f60ce
Original Research

The purpose of this study was to validate the percentage of body fat (%BF) values estimated from the BOD POD (BP) with those obtained from hydrostatic weighing (HW) in athletic American high school boys. Additionally, the %BF values measured via near-infrared interactance (NIR), bioelectrical impedance (BIA), and skinfold (SF) were compared to HW to determine the validity of these measures. Thirty white boys (mean age ± SD = 15.8 ± 1.0 years) who where currently participating in organized sports volunteered to have their %BF estimated. Measurements were obtained from NIR, BP, BIA, and SF in random order and concluded with HW. The findings from the present study indicated that the NIR and BIA instruments produced significant (P < 0.008) constant error (CE) and total error (TE) values that were too large to be of practical value (TE > 4.0%BF). The BP produced a significantly (P < 0.008) higher CE with acceptable TE values compared to HW, but compared to all three SF estimations, the BP TE values were higher. Two of the SF equations were nonsignificant (P > 0.008) and had the lowest TE values compared to HW. These data suggest that the BP can produce acceptable body fat measures for athletic white boys but is not superior to estimates made by the SF equations used in this study.

1Department of Health and Exercise Science, The University of Oklahoma, Norman, Oklahoma; 2Department of Exercise Science and Health Promotion, Florida Atlantic University, Davie, Florida

Address correspondence to Jeffrey R. Stout,

© 2008 National Strength and Conditioning Association