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Knee and hip agonist-antagonist relationship in male under-19 soccer players

The purpose of this study was to evaluate the strength of the knee flexors and extensors and hip abductor and adductor muscles in young soccer players. Twenty-three male under-19 soccer players participated in this study (age: 17.7 ± 0.2 years; height: 173.0 ± 1.1 cm; body mass: 66.1 ± 1.3 kg). Body...

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Autores principales: Rosa, Filipe, Sarmento, Hugo, Duarte, João Pedro, Barrera, Joel, Loureiro, Francisco, Vaz, Vasco, Saavedra, Nestor, Figueiredo, António José
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9012372/
https://www.ncbi.nlm.nih.gov/pubmed/35427407
http://dx.doi.org/10.1371/journal.pone.0266881
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author Rosa, Filipe
Sarmento, Hugo
Duarte, João Pedro
Barrera, Joel
Loureiro, Francisco
Vaz, Vasco
Saavedra, Nestor
Figueiredo, António José
author_facet Rosa, Filipe
Sarmento, Hugo
Duarte, João Pedro
Barrera, Joel
Loureiro, Francisco
Vaz, Vasco
Saavedra, Nestor
Figueiredo, António José
author_sort Rosa, Filipe
collection PubMed
description The purpose of this study was to evaluate the strength of the knee flexors and extensors and hip abductor and adductor muscles in young soccer players. Twenty-three male under-19 soccer players participated in this study (age: 17.7 ± 0.2 years; height: 173.0 ± 1.1 cm; body mass: 66.1 ± 1.3 kg). Body composition was measured using a bioelectrical impedance (InBody770), and the dynamometry was performed by an isokinetic dynamometer (Biodex System 3) for knee flexion and extension, and by an isometric dynamometer (Smart Groin Trainer), for hip adduction and abduction. Comparisons were made between dominant members (D) vs. non-dominant members (ND) and adductors vs. abductors (ADD:ABD) using the Wilcoxon test. There were statistically significant differences in the peak torques between the dominant and non-dominant members in the flexion function (Z = −4.198, p < 0.01) and in the extension function (Z = −4.197, p < 0.01) of the knee in concentric muscular action, and the flexion (Z = −4.198, p < 0.01) and in the extension (Z = −4.198, p < 0.01) of the knee in eccentric muscular action. No statistically significant differences were obtained in the conventional ratio (Z = −0.456, p = 0.648) nor the functional ratio (Z = −0.335, p = 0.738) between D and ND members. There were no statistically significant differences between adductors and abductors at the moment of strength for absolute values (N). The reference absolute and normalized to the weight values and the ADD:ABD can be used as a guideline for classifying players in screening and comparison in return tests to sports practice after an injury.
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spelling pubmed-90123722022-04-16 Knee and hip agonist-antagonist relationship in male under-19 soccer players Rosa, Filipe Sarmento, Hugo Duarte, João Pedro Barrera, Joel Loureiro, Francisco Vaz, Vasco Saavedra, Nestor Figueiredo, António José PLoS One Research Article The purpose of this study was to evaluate the strength of the knee flexors and extensors and hip abductor and adductor muscles in young soccer players. Twenty-three male under-19 soccer players participated in this study (age: 17.7 ± 0.2 years; height: 173.0 ± 1.1 cm; body mass: 66.1 ± 1.3 kg). Body composition was measured using a bioelectrical impedance (InBody770), and the dynamometry was performed by an isokinetic dynamometer (Biodex System 3) for knee flexion and extension, and by an isometric dynamometer (Smart Groin Trainer), for hip adduction and abduction. Comparisons were made between dominant members (D) vs. non-dominant members (ND) and adductors vs. abductors (ADD:ABD) using the Wilcoxon test. There were statistically significant differences in the peak torques between the dominant and non-dominant members in the flexion function (Z = −4.198, p < 0.01) and in the extension function (Z = −4.197, p < 0.01) of the knee in concentric muscular action, and the flexion (Z = −4.198, p < 0.01) and in the extension (Z = −4.198, p < 0.01) of the knee in eccentric muscular action. No statistically significant differences were obtained in the conventional ratio (Z = −0.456, p = 0.648) nor the functional ratio (Z = −0.335, p = 0.738) between D and ND members. There were no statistically significant differences between adductors and abductors at the moment of strength for absolute values (N). The reference absolute and normalized to the weight values and the ADD:ABD can be used as a guideline for classifying players in screening and comparison in return tests to sports practice after an injury. Public Library of Science 2022-04-15 /pmc/articles/PMC9012372/ /pubmed/35427407 http://dx.doi.org/10.1371/journal.pone.0266881 Text en © 2022 Rosa et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Rosa, Filipe
Sarmento, Hugo
Duarte, João Pedro
Barrera, Joel
Loureiro, Francisco
Vaz, Vasco
Saavedra, Nestor
Figueiredo, António José
Knee and hip agonist-antagonist relationship in male under-19 soccer players
title Knee and hip agonist-antagonist relationship in male under-19 soccer players
title_full Knee and hip agonist-antagonist relationship in male under-19 soccer players
title_fullStr Knee and hip agonist-antagonist relationship in male under-19 soccer players
title_full_unstemmed Knee and hip agonist-antagonist relationship in male under-19 soccer players
title_short Knee and hip agonist-antagonist relationship in male under-19 soccer players
title_sort knee and hip agonist-antagonist relationship in male under-19 soccer players
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9012372/
https://www.ncbi.nlm.nih.gov/pubmed/35427407
http://dx.doi.org/10.1371/journal.pone.0266881
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