Between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.

This study aimed to evaluate the between-session reliability of single-leg performance and asymmetry variables during unilateral and bilateral countermovement jumps (CMJ). Twenty-three basketball players completed two identical sessions which consisted of four unilateral CMJs (two with each leg) and...

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Autores principales:	Alejandro Pérez-Castilla, Amador García-Ramos, Danica Janicijevic, Gabriel Delgado-García, Juan Carlos De la Cruz, F Javier Rojas, Mar Cepero
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3b8b84e891604d05b118085051d5e737
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spelling	oai:doaj.org-article:3b8b84e891604d05b118085051d5e7372021-12-02T20:08:47ZBetween-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.1932-620310.1371/journal.pone.0255458https://doaj.org/article/3b8b84e891604d05b118085051d5e7372021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255458https://doaj.org/toc/1932-6203This study aimed to evaluate the between-session reliability of single-leg performance and asymmetry variables during unilateral and bilateral countermovement jumps (CMJ). Twenty-three basketball players completed two identical sessions which consisted of four unilateral CMJs (two with each leg) and two bilateral CMJs. Mean and peak values of force, velocity and power, impulse, and jump height were obtained separately for each leg using a dual force platform. All performance variables presented an acceptable reliability (CVrange = 4.05-9.98%) with the exceptions of jump height for the unilateral CMJs and mean power, peak velocity, peak power, and impulse for the left leg during the bilateral CMJ (CV≥11.0%). Nine out of 14 variables were obtained with higher reliability during the unilateral CMJ (CVratio≥1.16), and 4 out of 14 during the bilateral CMJ (CVratio≥1.32). Asymmetry variables always showed an unacceptable reliability (ICCrange = 0.15-0.64) and poor/slight levels of agreement in direction (Kapparange = -0.10 to 0.15) for the unilateral CMJ, while an acceptable reliability (ICCrange = 0.74-0.77) and substantial levels of agreement in direction (Kapparange = 0.65 to 0.74) were generally obtained for the bilateral CMJ. These results suggest that single-leg performance can be obtained with higher reliability during the unilateral CMJ, while the bilateral CMJ provides more consistent measures of inter-limb asymmetries.Alejandro Pérez-CastillaAmador García-RamosDanica JanicijevicGabriel Delgado-GarcíaJuan Carlos De la CruzF Javier RojasMar CeperoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0255458 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Alejandro Pérez-Castilla Amador García-Ramos Danica Janicijevic Gabriel Delgado-García Juan Carlos De la Cruz F Javier Rojas Mar Cepero Between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.
description	This study aimed to evaluate the between-session reliability of single-leg performance and asymmetry variables during unilateral and bilateral countermovement jumps (CMJ). Twenty-three basketball players completed two identical sessions which consisted of four unilateral CMJs (two with each leg) and two bilateral CMJs. Mean and peak values of force, velocity and power, impulse, and jump height were obtained separately for each leg using a dual force platform. All performance variables presented an acceptable reliability (CVrange = 4.05-9.98%) with the exceptions of jump height for the unilateral CMJs and mean power, peak velocity, peak power, and impulse for the left leg during the bilateral CMJ (CV≥11.0%). Nine out of 14 variables were obtained with higher reliability during the unilateral CMJ (CVratio≥1.16), and 4 out of 14 during the bilateral CMJ (CVratio≥1.32). Asymmetry variables always showed an unacceptable reliability (ICCrange = 0.15-0.64) and poor/slight levels of agreement in direction (Kapparange = -0.10 to 0.15) for the unilateral CMJ, while an acceptable reliability (ICCrange = 0.74-0.77) and substantial levels of agreement in direction (Kapparange = 0.65 to 0.74) were generally obtained for the bilateral CMJ. These results suggest that single-leg performance can be obtained with higher reliability during the unilateral CMJ, while the bilateral CMJ provides more consistent measures of inter-limb asymmetries.
format	article
author	Alejandro Pérez-Castilla Amador García-Ramos Danica Janicijevic Gabriel Delgado-García Juan Carlos De la Cruz F Javier Rojas Mar Cepero
author_facet	Alejandro Pérez-Castilla Amador García-Ramos Danica Janicijevic Gabriel Delgado-García Juan Carlos De la Cruz F Javier Rojas Mar Cepero
author_sort	Alejandro Pérez-Castilla
title	Between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.
title_short	Between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.
title_full	Between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.
title_fullStr	Between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.
title_full_unstemmed	Between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.
title_sort	between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/3b8b84e891604d05b118085051d5e737
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Between-session reliability of performance and asymmetry variables obtained during unilateral and bilateral countermovement jumps in basketball players.

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