Estimation of Body Density in Young Wrestlers

The purposes of this investigation were to (a) modify the y-intercepts of previously published skinfold (SF) equations using the constant error (CE) values from Stout et al. (24); (b) cross-validate the modified equations to determine their accuracy for estimating body density (BD) in young wrestler...

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Bibliographic Details
Published in:Journal of strength and conditioning research 2000-11, Vol.14 (4), p.477-482
Main Authors: HOUSH, TERRY J., JOHNSON, GLEN O., HOUSH, DONA J., STOUT, JEFFREY R., ECKERSON, JOAN M.
Format: Article
Language:English
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Summary:The purposes of this investigation were to (a) modify the y-intercepts of previously published skinfold (SF) equations using the constant error (CE) values from Stout et al. (24); (b) cross-validate the modified equations to determine their accuracy for estimating body density (BD) in young wrestlers; (c) derive a new SF equation for estimating BD in young wrestlers, if the modified equations are not found to be accurate; and (d) cross-validate the new SF equation on an independent sample of young wrestlers. One hundred thirty-seven age-group wrestlers (mean plus or minus SD age = 11.3 plus or minus 1.6 year) volunteered to perform underwater weighing for the determination of BD and to have SF measured at 8 sites. Cross-validation of the 16 modified SF equations on a random sample of 50 subjects resulted in total error (TE) values that were greater than or equal to 0.0110 g times cm super(-3) (approximately 5.1% fat).
ISSN:1064-8011
DOI:10.1519/00124278-200011000-00017