Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman

Piriformis thickness is strongly related to Piriformis Syndrome (PS), presented as spasm and hypertrophy of the muscle. The association between piriformis thickness as well as morphological and functional of gluteal muscles changes in PS has yet to be elucidated. This study aimed to determine the re...

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Main Author:	Othman, Ida Kartini
Format:	Thesis
Language:	English
Published:	2021
Subjects:	Backache
Online Access:	https://ir.uitm.edu.my/id/eprint/60235/1/60235.pdf
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spelling	my-uitm-ir.602352022-05-24T07:14:30Z Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman 2021-11 Othman, Ida Kartini Backache Piriformis thickness is strongly related to Piriformis Syndrome (PS), presented as spasm and hypertrophy of the muscle. The association between piriformis thickness as well as morphological and functional of gluteal muscles changes in PS has yet to be elucidated. This study aimed to determine the relationship between the piriformis, gluteus maximus and gluteus medius thickness, strength and activation among Low Back Pain (LBP) participants with and without PS. A total number of 91 participants, LBP and PS (n=36), LBP without PS (n= 24) and healthy (n= 31), were screened for inclusion and exclusion criterias. PS distinguished by negative radiography, specific signs and symptoms and a positive PS test. Piriformis and gluteus muscle thickness, strength and activation were measured using ultrasonography (USG) and surface electromyogram, respectively. One-way ANOVA test demonstrated no significant difference in piriformis thickness between LBP with PS and LBP without PS (p>0.01). Piriformis thickness was inversely correlated with gluteus maximus strength (r= -0.4, p <0.05) and positively correlated with gluteus medius activation (r= 0.48, p<0.01) in LBP with PS. In LBP with PS, stepwise linear regression showed significant association between piriformis thickness with gluteus maximus strength (R= -0.34, accounted for 11% of the variance) and gluteus medius activation in prone lying with hip externally rotated, abducted and extended (ERABEX) position (R= 0.43, accounted for 23% of the variance). With age and gender adjusted, piriformis thickness, gluteus maximus strength and gluteus medius activation in prone lying with hip ERABEX showed significant association, however no independent effect of age and gender within the range. Meanwhile, in LBP without PS, a significant association between piriformis thickness and gluteus maximus thickness was observed (R= 0.44, accounted for 19% of the variance). Information on this relationship may provide a better understanding of the piriformis and gluteus muscle actions and functions in LBP with and without PS. 2021-11 Thesis https://ir.uitm.edu.my/id/eprint/60235/ https://ir.uitm.edu.my/id/eprint/60235/1/60235.pdf text en public masters Universiti Teknologi MARA Faculty of Health Sciences Chua, Siew Kuan
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Chua, Siew Kuan
topic	Backache
spellingShingle	Backache Othman, Ida Kartini Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman
description	Piriformis thickness is strongly related to Piriformis Syndrome (PS), presented as spasm and hypertrophy of the muscle. The association between piriformis thickness as well as morphological and functional of gluteal muscles changes in PS has yet to be elucidated. This study aimed to determine the relationship between the piriformis, gluteus maximus and gluteus medius thickness, strength and activation among Low Back Pain (LBP) participants with and without PS. A total number of 91 participants, LBP and PS (n=36), LBP without PS (n= 24) and healthy (n= 31), were screened for inclusion and exclusion criterias. PS distinguished by negative radiography, specific signs and symptoms and a positive PS test. Piriformis and gluteus muscle thickness, strength and activation were measured using ultrasonography (USG) and surface electromyogram, respectively. One-way ANOVA test demonstrated no significant difference in piriformis thickness between LBP with PS and LBP without PS (p>0.01). Piriformis thickness was inversely correlated with gluteus maximus strength (r= -0.4, p <0.05) and positively correlated with gluteus medius activation (r= 0.48, p<0.01) in LBP with PS. In LBP with PS, stepwise linear regression showed significant association between piriformis thickness with gluteus maximus strength (R= -0.34, accounted for 11% of the variance) and gluteus medius activation in prone lying with hip externally rotated, abducted and extended (ERABEX) position (R= 0.43, accounted for 23% of the variance). With age and gender adjusted, piriformis thickness, gluteus maximus strength and gluteus medius activation in prone lying with hip ERABEX showed significant association, however no independent effect of age and gender within the range. Meanwhile, in LBP without PS, a significant association between piriformis thickness and gluteus maximus thickness was observed (R= 0.44, accounted for 19% of the variance). Information on this relationship may provide a better understanding of the piriformis and gluteus muscle actions and functions in LBP with and without PS.
format	Thesis
qualification_level	Master's degree
author	Othman, Ida Kartini
author_facet	Othman, Ida Kartini
author_sort	Othman, Ida Kartini
title	Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman
title_short	Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman
title_full	Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman
title_fullStr	Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman
title_full_unstemmed	Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman
title_sort	relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / ida kartini othman
granting_institution	Universiti Teknologi MARA
granting_department	Faculty of Health Sciences
publishDate	2021
url	https://ir.uitm.edu.my/id/eprint/60235/1/60235.pdf
_version_	1783735102008721408

Relationship of piriformis thickness with hip muscle strength and activation in patients with low back pain / Ida Kartini Othman

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