Effects of direction-specific training interventions on physical performance and inter-limb asymmetries

Gonzalo-Skok, Oliver, Sánchez-Sabaté, Jorge ORCID logoORCID: https://orcid.org/0000-0002-1665-4063, Tous-Fajardo, Julio, Mendez-Villanueva, Alberto, Bishop, Chris ORCID logoORCID: https://orcid.org/0000-0002-1505-1287 and Piedrafita, Eduardo (2022) Effects of direction-specific training interventions on physical performance and inter-limb asymmetries. International Journal of Environmental Research and Public Health, 19 (3) , e1029. pp. 1-13. ISSN 1660-4601 [Article] (doi:10.3390/ijerph19031029)

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Abstract

This study analyzed the effects of two different training programs on functional performance and inter-limb asymmetries in basketball players. Twenty-four elite youth basketball players were randomly assigned to a training program including variable unilateral horizontal movements (VUH, n = 12) or unilateral lateral movements (VUL, n = 12). Eccentric-overload training (EOT) was performed twice a week for a six-week period. Functional performance assessment included a countermovement jump test, unilateral multidirectional jumping tests (i.e., lateral, horizontal, and vertical), a rebound jump test, a limb symmetry index, a 25 m linear sprint test, and several change of direction (COD) tests. Within-group analysis showed substantial improvements in almost all functional tests in both groups (ES = 0.35−0.89). Furthermore, almost all jumping asymmetries were improved in both groups (ES = 0.38−0.69) except for vertical jumping asymmetry in VUL (ES = −0.04). Between-group analyses showed a substantial and possibly better performance in vertical jumping asymmetry and 5 m in VUH compared to that of VUL, respectively. In contrast, lateral jumping with left (ES = 1.22) and right leg (ES = 0.49) were substantially greater in VUL than in VUH. Specific force-vector training programs induced substantial improvements in both functional performance tests and inter-limb asymmetries, although greater improvements of lateral and horizontal variables may depend on the specific force vector targeted.

Item Type: Article
Keywords (uncontrolled): resistance training, eccentric overload, functional performance, variable training
Research Areas: A. > School of Science and Technology > London Sport Institute > Strength and Conditioning at the London Sport Institute
Item ID: 34576
Notes on copyright: Copyright: © 2022 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 (https://creativecommons.org/licenses/by/4.0/)
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Depositing User: Jisc Publications Router
Date Deposited: 21 Jan 2022 14:44
Last Modified: 21 Jan 2022 14:44
URI: https://eprints.mdx.ac.uk/id/eprint/34576

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