Kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.

<h4>Purpose</h4>To identify impaired trunk movement during work-related activity in individuals with low back pain (LBP) and investigate whether abnormalities were caused by generalized fear of movement-related pain.<h4>Methods</h4>This cross-sectional study was conducted at...

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Autores principales:	Ren Fujii, Ryota Imai, Shinichiro Tanaka, Shu Morioka
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2b290d27e2c44089911df43e3283749f
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spelling	oai:doaj.org-article:2b290d27e2c44089911df43e3283749f2021-12-02T20:06:13ZKinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.1932-620310.1371/journal.pone.0257231https://doaj.org/article/2b290d27e2c44089911df43e3283749f2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0257231https://doaj.org/toc/1932-6203<h4>Purpose</h4>To identify impaired trunk movement during work-related activity in individuals with low back pain (LBP) and investigate whether abnormalities were caused by generalized fear of movement-related pain.<h4>Methods</h4>This cross-sectional study was conducted at a hospital in Japan. We recruited 35 participants with LBP (LBP group; 26 males, 9 females) and 20 healthy controls (HC group) via posters at our hospital. The task required lifting an object. We used a 3D motion capture system to calculate the peak angular velocity of trunk flexion and extension during a lifting task. Pain-related factors for the LBP group were assessed using the visual analogue scale (VAS) for pain intensity over the past 4 weeks and during the task, the Tampa Scale for Kinesiophobia (TSK), the Pain Catastrophizing Scale (PCS), and the Pain Anxiety Symptoms Scale-20 (PASS-20). We compared kinematic variables between groups with a generalized linear mixed model and investigated the relationship between kinematic variables, VAS scores, and psychological factors by performing a mediation analysis.<h4>Results</h4>The peak angular velocity of trunk extension showed significant main effects on the group factors (LBP group vs. HC group) and their interactions; the value of the kinematic variable was lower at Trial 1 in the LBP group. No LBP participant reported pain during the experiment. The mediation analysis revealed that the relationship between the VAS score for pain intensity over the past 4 weeks and the peak angular velocity of trunk extension in the first trial was completely mediated by the TSK (complete mediation model, 95% bootstrapped CI: 0.07-0.56).<h4>Conclusion</h4>Individuals with LBP had reduced trunk extension during a lifting task. Generalized fear of movement-related pain may contribute to such impaired trunk movement. Our findings suggest that intervention to ameliorate fear of movement may be needed to improve LBP-associated disability.Ren FujiiRyota ImaiShinichiro TanakaShu MoriokaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0257231 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ren Fujii Ryota Imai Shinichiro Tanaka Shu Morioka Kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.
description	<h4>Purpose</h4>To identify impaired trunk movement during work-related activity in individuals with low back pain (LBP) and investigate whether abnormalities were caused by generalized fear of movement-related pain.<h4>Methods</h4>This cross-sectional study was conducted at a hospital in Japan. We recruited 35 participants with LBP (LBP group; 26 males, 9 females) and 20 healthy controls (HC group) via posters at our hospital. The task required lifting an object. We used a 3D motion capture system to calculate the peak angular velocity of trunk flexion and extension during a lifting task. Pain-related factors for the LBP group were assessed using the visual analogue scale (VAS) for pain intensity over the past 4 weeks and during the task, the Tampa Scale for Kinesiophobia (TSK), the Pain Catastrophizing Scale (PCS), and the Pain Anxiety Symptoms Scale-20 (PASS-20). We compared kinematic variables between groups with a generalized linear mixed model and investigated the relationship between kinematic variables, VAS scores, and psychological factors by performing a mediation analysis.<h4>Results</h4>The peak angular velocity of trunk extension showed significant main effects on the group factors (LBP group vs. HC group) and their interactions; the value of the kinematic variable was lower at Trial 1 in the LBP group. No LBP participant reported pain during the experiment. The mediation analysis revealed that the relationship between the VAS score for pain intensity over the past 4 weeks and the peak angular velocity of trunk extension in the first trial was completely mediated by the TSK (complete mediation model, 95% bootstrapped CI: 0.07-0.56).<h4>Conclusion</h4>Individuals with LBP had reduced trunk extension during a lifting task. Generalized fear of movement-related pain may contribute to such impaired trunk movement. Our findings suggest that intervention to ameliorate fear of movement may be needed to improve LBP-associated disability.
format	article
author	Ren Fujii Ryota Imai Shinichiro Tanaka Shu Morioka
author_facet	Ren Fujii Ryota Imai Shinichiro Tanaka Shu Morioka
author_sort	Ren Fujii
title	Kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.
title_short	Kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.
title_full	Kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.
title_fullStr	Kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.
title_full_unstemmed	Kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.
title_sort	kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/2b290d27e2c44089911df43e3283749f
work_keys_str_mv	AT renfujii kinematicanalysisofmovementimpairedbygeneralizationoffearofmovementrelatedpaininworkerswithlowbackpain AT ryotaimai kinematicanalysisofmovementimpairedbygeneralizationoffearofmovementrelatedpaininworkerswithlowbackpain AT shinichirotanaka kinematicanalysisofmovementimpairedbygeneralizationoffearofmovementrelatedpaininworkerswithlowbackpain AT shumorioka kinematicanalysisofmovementimpairedbygeneralizationoffearofmovementrelatedpaininworkerswithlowbackpain
_version_	1718375413084848128

Kinematic analysis of movement impaired by generalization of fear of movement-related pain in workers with low back pain.

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