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Hetzler RK, Kimura IF, Haines K, et al. A comparison of bioelectrical impedance and skinfold measurements in determining minimum wrestling weights in high school wrestlers. J Athl Train. 2006;41(1):46-51
Hetzler, R. K., Kimura, I. F., Haines, K., Labotz, M., & Smith, J. (2006). A comparison of bioelectrical impedance and skinfold measurements in determining minimum wrestling weights in high school wrestlers. Journal of athletic training, 41(1), 46-51.
Hetzler, Ronald K, et al. "A comparison of bioelectrical impedance and skinfold measurements in determining minimum wrestling weights in high school wrestlers." Journal of athletic training vol. 41,1 (2006): 46-51.
Hetzler RK, Kimura IF, Haines K, Labotz M, Smith J. A comparison of bioelectrical impedance and skinfold measurements in determining minimum wrestling weights in high school wrestlers. J Athl Train. 2006 Jan-Mar;41(1):46-51. PMID: 16619094; PMCID: PMC1421483.
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J Athl Train. 2006 Jan-Mar;41(1):46-51.

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

Journal of athletic training

Ronald K Hetzler, Iris F Kimura, Karin Haines, Michelle Labotz, Joseph Smith

Affiliations

  1. University of Hawaii, Manoa, Honolulu, HI 96822, USA.

PMID: 16619094 PMCID: PMC1421483

Abstract

CONTEXT: 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.

OBJECTIVE: 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.

DESIGN: Repeated measurements were obtained using bioelectrical impedance and skinfold analysis to determine MWWs. Data were collected during the preseason.

SETTING: High school.

PATIENTS OR OTHER PARTICIPANTS: Two hundred eight wrestlers (151 males, 57 females), aged 13 to 18 years.

MAIN OUTCOME MEASURE(S): 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.

RESULTS: 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.

CONCLUSIONS: To protect the health of the athletes and maintain competitive equity, a single method should be used to determine MWWs. Bioelectrical impedance and skinfold analysis cannot be used interchangeably to determine MWWs.

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