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2022-04-26

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cc-by (c) Colomar, J. et al., 2022
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/229312

Inter-limb muscle property differences in junior tennis players.

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Recurs relacionat

https://doi.org/10.2478/hukin-2022-0026

Resum

The goal of this study was to investigate side-to-side differences and asymmetries regarding muscle characteristics in young tennis players. Thirty-four participants performed contractile property measurements (stiffness, tone, elasticity and time to relaxation) on the dominant and non-dominant extremities including nine muscle groups involved in the kinetic chain of main tennis strokes. Significant differences (p≤0.05) and small-to-moderate effect sizes for greater stiffness and tone were found for the dominant biceps femoris (-11.1% and -5.6%; ES=0.53 and 0.54) and the non-dominant vastus medialis (5.4% and 3.2%; ES=-0.33 and -0.41), while greater tone was present in the non-dominant pectoralis major (4.0%; ES=-0.56). Time to relaxation was increased in the dominant biceps femoris (10.3%; ES=-0.58), the non-dominant pectoralis major (5.1%; ES=-0.56) and the gastrocnemius (9.1%; ES=-0.5). The non-dominant infraspinatus and dominant rectus abdominis showed greater elasticity than contralateral muscles (9.9% and -8.0%; ES=-0.58 and 0.6, respectively). These results reflect the existence of small-to-moderate differences when comparing side-to-side values of contractile characteristics in a small amount of the muscle groups tested. However, passive measurements of a relaxed muscle do not seem to fully reflect possible adaptation and changes derived from gameplay in young tennis players.

Matèries

Jugadors de tennis, Músculs

Matèries (anglès)

Tennis players, Muscles

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Articles publicats en revistes (Ciències Clíniques)

Citació

COLOMAR AXUP, Joshua, CORBI, Francisco and BAIGET I VIDAL, Ernest. Inter-limb muscle property differences in junior tennis players. Journal of Human Kinetics. 2022. Vol. 82, num. 5-15. ISSN 1640-5544. [consulted: 22 of May of 2026]. Available at: https://hdl.handle.net/2445/229312

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