PMID: 16619094Apr 19, 2006Paper

A comparison of bioelectrical impedance and skinfold measurements in determining minimum wrestling weights in high school wrestlers.

Journal of Athletic Training
Ronald K HetzlerJoseph Smith

Abstract

Whether bioelectrical impedance and skinfold analysis can be used interchangeably to establish minimal wrestling weights (MWWs) is unknown. Using both methods in a particular program may result in the misclassification of some athletes. To compare the MWW calculated from skinfold measurements with those derived from 5 bioelectrical impedance equations and determine if the 2 methods could be used interchangeably for high school wrestlers. Repeated measurements were obtained using bioelectrical impedance and skinfold analysis to determine MWWs. Data were collected during the preseason. High school. Two hundred eight wrestlers (151 males, 57 females), aged 13 to 18 years. The bioelectrical impedance analysis was conducted with the MWW protocol administered annually by certified athletic trainers. The resistance and reactance were used in 5 equations to investigate the level of agreement between bioelectrical impedance and skinfold analysis for determining MWW. The MWWs were based on a minimum body fat of 7.0% for males and 14.0% for females. When comparing bioelectrical impedance and skinfold analysis, we found prediction error ranged from 1.51 to 2.34 kg for males and 0.27 to 9.16 kg for females. To protect the health of the athl...Continue Reading

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