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The Effect of Ground Tilt on the Lower Extremity Muscle Activity of Stroke Patients Performing Squat Exercises
[Purpose] The purpose of this study was to determine the effect of ground tilt on the lower extremity muscle activity of stroke patients performing squat exercises. [Subjects] Fifteen hemiparetic patients volunteered to participate in this study. [Methods] The subjects performed squat exercises at t...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Society of Physical Therapy Science
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4135216/ https://www.ncbi.nlm.nih.gov/pubmed/25140075 http://dx.doi.org/10.1589/jpts.26.965 |
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author | Ki, Kyog-Il Choi, Jong-Duk Cho, Hyuk-Shin |
author_facet | Ki, Kyog-Il Choi, Jong-Duk Cho, Hyuk-Shin |
author_sort | Ki, Kyog-Il |
collection | PubMed |
description | [Purpose] The purpose of this study was to determine the effect of ground tilt on the lower extremity muscle activity of stroke patients performing squat exercises. [Subjects] Fifteen hemiparetic patients volunteered to participate in this study. [Methods] The subjects performed squat exercises at three different ground tilt angles: 15° plantar flexion, a neutral position, and 15° dorsiflexion. A surface electromyogram (sEMG) was used to record the electromyographic activities of the leg extensor muscle in the vastus lateralis (VL), vastus medialis (VM), gastrocnemius lateralis (GL), and gastrocnemius medialis (GM). The sEMG activity was analyzed using a one-way repeated measures ANOVA and a post hoc Bonferroni correction. [Results] The results of this study are summarized as follows. Significant differences were noted for the VL and the GL when the angle of the ankle joint was between the 15° plantar flexion and neutral positions during squat exercises involving the VL and when the angle of the ankle joint was between the neutral position and 15° dorsiflexion during squat exercises involving the VM. [Conclusion] In this study, sEMG showed that the VL and GL changed significantly during squat exercises according to the ground tilt angle of hemiparetic patients. Therefore, squat exercises with different ground tilt angles can be used to improve VL and GL strength. |
format | Online Article Text |
id | pubmed-4135216 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | The Society of Physical Therapy Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-41352162014-08-19 The Effect of Ground Tilt on the Lower Extremity Muscle Activity of Stroke Patients Performing Squat Exercises Ki, Kyog-Il Choi, Jong-Duk Cho, Hyuk-Shin J Phys Ther Sci Original Article [Purpose] The purpose of this study was to determine the effect of ground tilt on the lower extremity muscle activity of stroke patients performing squat exercises. [Subjects] Fifteen hemiparetic patients volunteered to participate in this study. [Methods] The subjects performed squat exercises at three different ground tilt angles: 15° plantar flexion, a neutral position, and 15° dorsiflexion. A surface electromyogram (sEMG) was used to record the electromyographic activities of the leg extensor muscle in the vastus lateralis (VL), vastus medialis (VM), gastrocnemius lateralis (GL), and gastrocnemius medialis (GM). The sEMG activity was analyzed using a one-way repeated measures ANOVA and a post hoc Bonferroni correction. [Results] The results of this study are summarized as follows. Significant differences were noted for the VL and the GL when the angle of the ankle joint was between the 15° plantar flexion and neutral positions during squat exercises involving the VL and when the angle of the ankle joint was between the neutral position and 15° dorsiflexion during squat exercises involving the VM. [Conclusion] In this study, sEMG showed that the VL and GL changed significantly during squat exercises according to the ground tilt angle of hemiparetic patients. Therefore, squat exercises with different ground tilt angles can be used to improve VL and GL strength. The Society of Physical Therapy Science 2014-07-30 2014-07 /pmc/articles/PMC4135216/ /pubmed/25140075 http://dx.doi.org/10.1589/jpts.26.965 Text en 2014©by the Society of Physical Therapy Science http://creativecommons.org/licenses/by-nc-nd/3.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. |
spellingShingle | Original Article Ki, Kyog-Il Choi, Jong-Duk Cho, Hyuk-Shin The Effect of Ground Tilt on the Lower Extremity Muscle Activity of Stroke Patients Performing Squat Exercises |
title | The Effect of Ground Tilt on the Lower Extremity Muscle Activity of Stroke
Patients Performing Squat Exercises |
title_full | The Effect of Ground Tilt on the Lower Extremity Muscle Activity of Stroke
Patients Performing Squat Exercises |
title_fullStr | The Effect of Ground Tilt on the Lower Extremity Muscle Activity of Stroke
Patients Performing Squat Exercises |
title_full_unstemmed | The Effect of Ground Tilt on the Lower Extremity Muscle Activity of Stroke
Patients Performing Squat Exercises |
title_short | The Effect of Ground Tilt on the Lower Extremity Muscle Activity of Stroke
Patients Performing Squat Exercises |
title_sort | effect of ground tilt on the lower extremity muscle activity of stroke
patients performing squat exercises |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4135216/ https://www.ncbi.nlm.nih.gov/pubmed/25140075 http://dx.doi.org/10.1589/jpts.26.965 |
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