Skip Navigation LinksHome > November 2002 - Volume 16 - Issue 4 > Test-Retest Reliability of 4 Single-Leg Horizontal Hop Tests...
Journal of Strength & Conditioning Research:
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Test-Retest Reliability of 4 Single-Leg Horizontal Hop Tests.


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The purpose of this study was to determine the test-retest reliability of 4 single-leg horizontal hop tests (i.e., single hop for distance, triple hop for distance, crossover hop for distance, and 6-m hop for time), with a time interval of approximately 4 weeks separating the 2 testing sessions. Eighteen healthy, young, adult men, all cadets enrolled at the U.S. Air Force Academy, Colorado, performed the single hop for distance, the triple hop for distance, the crossover hop for distance, and the 6-m hop for time during 2 testing sessions separated by 31.2 +/- 0.4 days. Reliability data for each of the single-leg hop tests were studied through a repeated measures analysis of variance, intraclass correlation coefficients (ICCs), and standard errors of measurement (SEMs). The ICCs ranged from 0.92 to 0.97 for the 4 single-leg hop tests. The SEMs for the single-leg hop tests that assessed the distance hopped ranged from 4.61 to 17.74 cm. The SEM for the 6-m hop for time test was 0.06 seconds. No significant differences were noted when the mean scores of the 2 test trials were compared by a repeated measures analysis of variance for any of the single-leg hop tests. These results indicate that the single-leg hop tests examined in this study offer strength and conditioning professionals a reliable method to assess the single-leg horizontal hopping capabilities of healthy, young, adult men, with intervals of approximately 4 weeks between testing sessions.

(C) 2002 National Strength and Conditioning Association



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