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Force-Time Analysis of the Drop Jump: Reliability of Jump Measures and Calculation Methods for Measuring Jump Height.
- Source :
-
Measurement in Physical Education & Exercise Science . Apr-Jun2024, Vol. 28 Issue 2, p119-132. 14p. - Publication Year :
- 2024
-
Abstract
- The purpose was to evaluate reliability of measurements during drop jump (DJ) and magnitude of differences in vertical jump height (VJH) when calculated using two variables: time-in-the-air and center-of-mass velocity. Thirty-seven handball players performed three single-leg and double-leg DJs on a portable force plate during two sessions. Sixteen outcome measures and four sets of reliability metrics, including intraclass correlation coefficients (ICCs), were estimated. All outcome measures, except vertical time-to-stabilization, yielded high (0.70–0.89) to very high (0.90–0.96) interday and intraday ICCs for the single-leg and double-leg DJ tests. These results indicated that the single-leg and double-leg DJ tests can be considered reliable for short-term and long-term monitoring of collegiate handball players of both sexes. In addition, the single-leg DJ VJH calculated using these two variables differed in magnitude (mean difference in test measurements: 0.64 cm, p <.001, effect size: 0.165). Therefore, we recommend using the same method to calculate single-leg VJH for long-term monitoring. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 1091367X
- Volume :
- 28
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- Measurement in Physical Education & Exercise Science
- Publication Type :
- Academic Journal
- Accession number :
- 176495294
- Full Text :
- https://doi.org/10.1080/1091367X.2023.2257169