Strength, jumping and change of direction speed asymmetries in soccer, basketball and tennis players

Sarabon, Nejc, Smajla, Darjan, Maffiuletti, Nicola A. and Bishop, Chris ORCID logoORCID: (2020) Strength, jumping and change of direction speed asymmetries in soccer, basketball and tennis players. Symmetry, 12 (10) , 1664. ISSN 2073-8994 [Article] (doi:10.3390/sym12101664)

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Despite growing research in the field of inter-limb asymmetries (ILAs), little is known about the variation of ILAs in different populations of athletes. The purpose of this study was to compare ILAs among young basketball, soccer and tennis players. ILAs were assessed in three different types of tests (strength, jumping and change of direction (CoD) speed), each including different tasks: (1) bilateral and unilateral counter movement jump, (2) isometric strength of knee extensors (KE) and knee flexors (KF), and (3) 90° and 180° CoD. Generally, the absolute metrics showed strong reliability and revealed significant differences (p < 0.05) among the three groups in KE maximal torque, KE and KF rate of force development and in both CoD tests. For jumping ILAs, power and force impulse metrics exhibited significant between-limb differences between groups, compared to jump height. For strength and CoD speed ILAs, only KF maximal torque and 180° CoD exhibited significant differences between groups. Greater KF strength ILAs in soccer players and counter-movement jump ILAs in tennis players are most probably the result of sport-specific movement patterns and training routines. Sport practitioners should be aware of the differences in ILAs among sports and address training programs accordingly.

Item Type: Article
Additional Information: This article belongs to the Special Issue Symmetry and Biomechanics
Keywords (uncontrolled): bilateral asymmetry; strength; power; agility; speed
Research Areas: A. > School of Science and Technology > London Sport Institute > Strength and Conditioning at the London Sport Institute
Item ID: 31159
Notes on copyright: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
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Depositing User: Chris Bishop
Date Deposited: 14 Oct 2020 07:43
Last Modified: 09 Feb 2022 10:38

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