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Reliability of Isokinetic Strength Assessments of Knee and Hip Using the Biodex System 4 Dynamometer and Associations With Functional Strength in Healthy Children

BACKGROUND: This study aimed to analyze the reliability of concentric isokinetic strength assessments (knee and hip) using the Biodex System 4 in healthy children and assess the association with functional strength tests (sit-to-stand [STS], lateral-step-up [LSU]). METHODS: 19 children (6–12 years)...

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Autores principales: van Tittelboom, Vanessa, Alemdaroglu-Gürbüz, Ipek, Hanssen, Britta, Heyrman, Lieve, Feys, Hilde, Desloovere, Kaat, Calders, Patrick, Van den Broeck, Christine
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8907626/
https://www.ncbi.nlm.nih.gov/pubmed/35280224
http://dx.doi.org/10.3389/fspor.2022.817216
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author van Tittelboom, Vanessa
Alemdaroglu-Gürbüz, Ipek
Hanssen, Britta
Heyrman, Lieve
Feys, Hilde
Desloovere, Kaat
Calders, Patrick
Van den Broeck, Christine
author_facet van Tittelboom, Vanessa
Alemdaroglu-Gürbüz, Ipek
Hanssen, Britta
Heyrman, Lieve
Feys, Hilde
Desloovere, Kaat
Calders, Patrick
Van den Broeck, Christine
author_sort van Tittelboom, Vanessa
collection PubMed
description BACKGROUND: This study aimed to analyze the reliability of concentric isokinetic strength assessments (knee and hip) using the Biodex System 4 in healthy children and assess the association with functional strength tests (sit-to-stand [STS], lateral-step-up [LSU]). METHODS: 19 children (6–12 years) were included. Knee and hip flexion and extension, and hip abduction and adduction were tested at 60 and 90°/s. RESULTS: Relative and absolute reliability at 60°/s tended to show better results compared to those at 90°/s. Intra class correlations (ICCs) of knee flexion and extension at 60°/s were good (0.79–0.89). For hip flexion, extension, abduction and adduction at 60°/s ICCs were moderate to good (0.53–0.83). The smallest detectable change (SDC) values (expressed in %) were highly variable. The SDC% for knee flexion and extension and hip abduction at 60°/s were around 50%. Positive associations were found between hip extension and abduction isokinetic strength and the STS test. CONCLUSION: Concentric isokinetic strength assessments in healthy children using the Biodex System 4 were found reliable for knee flexion and extension and hip abduction. Limited associations were found between concentric isokinetic strength tests and functional strength tests.
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spelling pubmed-89076262022-03-11 Reliability of Isokinetic Strength Assessments of Knee and Hip Using the Biodex System 4 Dynamometer and Associations With Functional Strength in Healthy Children van Tittelboom, Vanessa Alemdaroglu-Gürbüz, Ipek Hanssen, Britta Heyrman, Lieve Feys, Hilde Desloovere, Kaat Calders, Patrick Van den Broeck, Christine Front Sports Act Living Sports and Active Living BACKGROUND: This study aimed to analyze the reliability of concentric isokinetic strength assessments (knee and hip) using the Biodex System 4 in healthy children and assess the association with functional strength tests (sit-to-stand [STS], lateral-step-up [LSU]). METHODS: 19 children (6–12 years) were included. Knee and hip flexion and extension, and hip abduction and adduction were tested at 60 and 90°/s. RESULTS: Relative and absolute reliability at 60°/s tended to show better results compared to those at 90°/s. Intra class correlations (ICCs) of knee flexion and extension at 60°/s were good (0.79–0.89). For hip flexion, extension, abduction and adduction at 60°/s ICCs were moderate to good (0.53–0.83). The smallest detectable change (SDC) values (expressed in %) were highly variable. The SDC% for knee flexion and extension and hip abduction at 60°/s were around 50%. Positive associations were found between hip extension and abduction isokinetic strength and the STS test. CONCLUSION: Concentric isokinetic strength assessments in healthy children using the Biodex System 4 were found reliable for knee flexion and extension and hip abduction. Limited associations were found between concentric isokinetic strength tests and functional strength tests. Frontiers Media S.A. 2022-02-24 /pmc/articles/PMC8907626/ /pubmed/35280224 http://dx.doi.org/10.3389/fspor.2022.817216 Text en Copyright © 2022 van Tittelboom, Alemdaroglu-Gürbüz, Hanssen, Heyrman, Feys, Desloovere, Calders and Van den Broeck. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Sports and Active Living
van Tittelboom, Vanessa
Alemdaroglu-Gürbüz, Ipek
Hanssen, Britta
Heyrman, Lieve
Feys, Hilde
Desloovere, Kaat
Calders, Patrick
Van den Broeck, Christine
Reliability of Isokinetic Strength Assessments of Knee and Hip Using the Biodex System 4 Dynamometer and Associations With Functional Strength in Healthy Children
title Reliability of Isokinetic Strength Assessments of Knee and Hip Using the Biodex System 4 Dynamometer and Associations With Functional Strength in Healthy Children
title_full Reliability of Isokinetic Strength Assessments of Knee and Hip Using the Biodex System 4 Dynamometer and Associations With Functional Strength in Healthy Children
title_fullStr Reliability of Isokinetic Strength Assessments of Knee and Hip Using the Biodex System 4 Dynamometer and Associations With Functional Strength in Healthy Children
title_full_unstemmed Reliability of Isokinetic Strength Assessments of Knee and Hip Using the Biodex System 4 Dynamometer and Associations With Functional Strength in Healthy Children
title_short Reliability of Isokinetic Strength Assessments of Knee and Hip Using the Biodex System 4 Dynamometer and Associations With Functional Strength in Healthy Children
title_sort reliability of isokinetic strength assessments of knee and hip using the biodex system 4 dynamometer and associations with functional strength in healthy children
topic Sports and Active Living
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8907626/
https://www.ncbi.nlm.nih.gov/pubmed/35280224
http://dx.doi.org/10.3389/fspor.2022.817216
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