Comparison of Measured and Predicted Residual Lung Volume in Determining Body Composition of Collegiate Wrestlers

• Autores: Fredric L. Gross, Robert J. Robertson, Pamela D. Swan, Gregory S. Harris, Gregory A. Trone, Jhon J. Dube, Alan C. Utter
• Localización: Journal of strength and conditioning research: the research journal of the NSCA, ISSN 1064-8011, Vol. 18, Nº. 2, 2004, págs. 281-285
• Idioma: inglés
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• Resumen

  • This investigation compared percent fat obtained via underwater weighing using measured and predicted residual lung volume (RLV) in euhydrated and hypohydrated collegiate wrestlers (N 5 67). RLV was measured using O2 rebreathing or O2 dilution and predicted using 3 equations�Equation 1: (0.019 3 height [cm]) 1 (0.0115 3 age [ years ]) 2 2.24; Equation 2:

    (0.017 3 age [ years ]) 1 (0.06858 3 height [in.]) 2 3.477; and Equation 3: (0.0275 age [ years ]) 1 (0.0189 height [cm]) 2 2.6139. Percent fat determined using RLV Equation 2 did not differ from the value obtained using measured RLV in the euhydrated (10.9 6 5.1 vs. 11.5 6 5.6% fat) or hypohydrated (10.8 6 5.1 vs. 12.3 6 5.6% fat) trials. All other percent fat values differed ( p , 0.05) from the value obtained using measured RLV in euhydrated subjects. The use of RLV Equation 2 may be a practical alternative to measured RLV in determining percent fat in euhydrated and hypohydrated collegiate wrestlers.