Higher vertical jumping asymmetries and lower physical performance are indicators of increased injury incidence in youth team-sport athletes

Fort-Vanmeerhaeghe, Azahara ORCID: https://orcid.org/0000-0002-5071-1084, Mila-Villarroel, Raimon, Pujol-Marzo, Montse, Arboix-Alio, Jordi and Bishop, Chris ORCID: https://orcid.org/0000-0002-1505-1287 (2020) Higher vertical jumping asymmetries and lower physical performance are indicators of increased injury incidence in youth team-sport athletes. Journal of Strength and Conditioning Research . ISSN 1064-8011 [Article] (Published online first) (doi:10.1519/JSC.0000000000003828)

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Abstract

To date, the literature looking at the association between injury-risk factors and actual injury incidence in young elite team-sports athletes is scarce. The main objective of the present study was to examine how modifiable factors may affect injury incidence. Eighty-one young elite team-sports athletes (age: u-14 to u-18) performed the countermovement jump (CMJ), a single leg CMJ (SLCMJ), the one-legged hop test (OLHT), a 30 m sprint test, the v-cut test, a repeated sprint ability and the 30-15 intermittent fitness test during the pre-season period. Inter-limb asymmetries were calculated for SLCMJ and OLHT. Injuries were recorded prospectively for the entirety of the 2017-2018 season. Comparison of injury and non-injury data was carried out using a two-way analysis of variance (ANOVA). Results of the ANOVA according to injury showed significant differences in CMJ (p = 0.01), SLCMJ on the lowest performing limb (p = 0.03) and SLCMJ asymmetry (< 0.001). Sex*injury interaction was significant from CMJ (p = 0.018) and 30-15 IFT (p = < 0.001). In conclusion, the current study indicated that athletes with greater inter-limb asymmetries, less vertical jump capacity and lower intermittent aerobic fitness had a greater predisposition to injury. Therefore, monitoring CMJ, aerobic performance and inter-limb asymmetries is recommended given their sensitivity to detect significant differences between injured and healthy youth athletes.

Item Type: Article
Research Areas: A. > School of Science and Technology > London Sport Institute > Strength and Conditioning at the London Sport Institute
Item ID: 30829
Notes on copyright: This is a non-final version of an article published in final form in: Fort-Vanmeerhaeghe, Azahara; Milà-Villarroel, Raimon; Pujol-Marzo, Montse; Arboix-Alió, Jordi; Bishop, Chris, Higher Vertical Jumping Asymmetries and Lower Physical Performance are Indicators of Increased Injury Incidence in Youth Team-Sport Athletes, Journal of Strength and Conditioning Research: October 01, 2020 - Volume Publish Ahead of Print - Issue - doi: 10.1519/JSC.0000000000003828
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Depositing User: Chris Bishop
Date Deposited: 19 Aug 2020 18:13
Last Modified: 01 Oct 2021 03:04
URI: https://eprints.mdx.ac.uk/id/eprint/30829

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