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Does fatigue expose functional deficits in chronic lateral ankle sprain?

[Purpose] The purpose of this study was to examine whether functionally induced fatigue affects balance and vertical jump performance more severely in individuals with a history of unilateral lateral ligament injury to the ankle joint. [Participants and Methods] Twenty-three participants volunteered...

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Autores principales: Karkatselou, Aikaterini, Gkrilias, Panagiotis, Tsepis, Elias
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Society of Physical Therapy Science 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7008013/
https://www.ncbi.nlm.nih.gov/pubmed/32082022
http://dx.doi.org/10.1589/jpts.32.20
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author Karkatselou, Aikaterini
Gkrilias, Panagiotis
Tsepis, Elias
author_facet Karkatselou, Aikaterini
Gkrilias, Panagiotis
Tsepis, Elias
author_sort Karkatselou, Aikaterini
collection PubMed
description [Purpose] The purpose of this study was to examine whether functionally induced fatigue affects balance and vertical jump performance more severely in individuals with a history of unilateral lateral ligament injury to the ankle joint. [Participants and Methods] Twenty-three participants volunteered for the study with the experimental group (EG n=12) comprising injured participants with stability deficits and lack of physiotherapy treatment tested against healthy controls (CG n=11). Balance was assessed via a single leg balance test with open eyes on a force platform. The Center-of-Pressure (COP) excursion on the anteroposterior (Y-axis) and the mediolateral (X-axis) were recorded. Additionally, maximal single-leg vertical jump height (VJH) was assessed on a specific platform. Ankle fatigue was induced through performing the modified Square-hop test until exhaustion. [Results] Patients exhibited significant interaction for Time X Group for the COP on the X-axis. COP-X which did not differ between groups, pre-fatigue, while post-fatigue, it increased significantly in the EG. VJH demonstrated significant pre-fatigue differences between groups, suggesting that deficits in this variable were evident without the need to fatigue the muscles involved. [Conclusion] Fatigue can be useful when balance is tested, since post-fatigue deficits, otherwise obscured in the baseline measurement, can become significant.
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spelling pubmed-70080132020-02-20 Does fatigue expose functional deficits in chronic lateral ankle sprain? Karkatselou, Aikaterini Gkrilias, Panagiotis Tsepis, Elias J Phys Ther Sci Original Article [Purpose] The purpose of this study was to examine whether functionally induced fatigue affects balance and vertical jump performance more severely in individuals with a history of unilateral lateral ligament injury to the ankle joint. [Participants and Methods] Twenty-three participants volunteered for the study with the experimental group (EG n=12) comprising injured participants with stability deficits and lack of physiotherapy treatment tested against healthy controls (CG n=11). Balance was assessed via a single leg balance test with open eyes on a force platform. The Center-of-Pressure (COP) excursion on the anteroposterior (Y-axis) and the mediolateral (X-axis) were recorded. Additionally, maximal single-leg vertical jump height (VJH) was assessed on a specific platform. Ankle fatigue was induced through performing the modified Square-hop test until exhaustion. [Results] Patients exhibited significant interaction for Time X Group for the COP on the X-axis. COP-X which did not differ between groups, pre-fatigue, while post-fatigue, it increased significantly in the EG. VJH demonstrated significant pre-fatigue differences between groups, suggesting that deficits in this variable were evident without the need to fatigue the muscles involved. [Conclusion] Fatigue can be useful when balance is tested, since post-fatigue deficits, otherwise obscured in the baseline measurement, can become significant. The Society of Physical Therapy Science 2020-01-22 2020-01 /pmc/articles/PMC7008013/ /pubmed/32082022 http://dx.doi.org/10.1589/jpts.32.20 Text en 2020©by the Society of Physical Therapy Science. Published by IPEC Inc. This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/)
spellingShingle Original Article
Karkatselou, Aikaterini
Gkrilias, Panagiotis
Tsepis, Elias
Does fatigue expose functional deficits in chronic lateral ankle sprain?
title Does fatigue expose functional deficits in chronic lateral ankle sprain?
title_full Does fatigue expose functional deficits in chronic lateral ankle sprain?
title_fullStr Does fatigue expose functional deficits in chronic lateral ankle sprain?
title_full_unstemmed Does fatigue expose functional deficits in chronic lateral ankle sprain?
title_short Does fatigue expose functional deficits in chronic lateral ankle sprain?
title_sort does fatigue expose functional deficits in chronic lateral ankle sprain?
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7008013/
https://www.ncbi.nlm.nih.gov/pubmed/32082022
http://dx.doi.org/10.1589/jpts.32.20
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