Age and isokinetic peak torque at the elbow in young girl swimmers

Robert W. Lewis, Terry J. Housh, Daniel A. Traylor, Haley C. Bergstrom, Richard J. Schmidt, Glen O. Johnson, Dona J. Housh

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

OBJECTIVE: This cross-sectional study examined the relationships between age and absolute peak torque (PT) as well as PT covaried for body weight (BW), height (HT), and/or fat-free weight (FFW) in young girl swimmers. METHODS: Twenty-nine girl swimmers (age=12.4 ± 1.9 yr) were measured for isokinetic elbow flexion and extension PT at 30, 180, 300° · s -1, as well as BW, HT, and FFW. Zero-order correlations as well as first, second, and third-order partial correlations were used to determine the relationships for age versus PT and age versus PT covaried for BW, HT, and/or FFW. RESULTS: There were age-related increases for all absolute PT measures (r=0.47 to 0.77), except elbow flexion at 300° · s-1. For all but one of the measures (forearm extension at 30° · s -1; r=0.42 to 0.56), the increases in PT were accounted for by changes in BW, HT, and/or FFW. CONCLUSION: The results of this study indicated that agef-related increases in PT for four of the six measures were accounted for by BW, HT, and/or FFW. The age-related increases in PT for elbow flexion at 30° · s-1 independent of BW, HT, and/or FFW, may have been due to neuromuscular maturation.

Original languageEnglish (US)
Pages (from-to)57-61
Number of pages5
JournalIsokinetics and Exercise Science
Volume21
Issue number1
DOIs
StatePublished - 2013

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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