Exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.

<h4>Purpose</h4>To investigate if lumbar and lower limb kinematics or kinetics are different between groups with and without a history of LBP during lifting. Secondly, to investigate relationships between biomechanical variables and pain ramp during repeated lifting.<h4>Methods<...

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Autores principales:	Nic Saraceni, Amity Campbell, Peter Kent, Leo Ng, Leon Straker, Peter O'Sullivan
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/debeaf64eaf3443eab2ce902e856bff9
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spelling	oai:doaj.org-article:debeaf64eaf3443eab2ce902e856bff92021-12-02T20:06:45ZExploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.1932-620310.1371/journal.pone.0254241https://doaj.org/article/debeaf64eaf3443eab2ce902e856bff92021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0254241https://doaj.org/toc/1932-6203<h4>Purpose</h4>To investigate if lumbar and lower limb kinematics or kinetics are different between groups with and without a history of LBP during lifting. Secondly, to investigate relationships between biomechanical variables and pain ramp during repeated lifting.<h4>Methods</h4>21 LBP and 20 noLBP participants completed a 100-lift task, where lumbar and lower limb kinematics and kinetics were measured during lifting, with a simultaneous report of LBP intensity every 10 lifts. Lifts were performed in a laboratory setting, limiting ecological validity.<h4>Results</h4>The LBP group used a different lifting technique to the noLBP group at the beginning of the task (slower and more squat-like). Kinetic differences at the beginning included less peak lumbar external anterior shear force and greater peak knee power demonstrated by the LBP group. However, at the end of the task, both groups lifted with a much more similar technique that could be classified as more stoop-like and faster. Peak knee power remained greater in the LBP group throughout and was the only kinetic difference between groups at the end of the lifting task. While both groups lifted using a more comparable technique at the end, the LBP group still demonstrated a tendency to perform a slower and more squat-like lift throughout the task. Only one of 21 variables (pelvic tilt at box lift-off), was associated with pain ramp in the LBP group. Conclusions: Workers with a history of LBP, lift with a style that is slower and more squat-like than workers without any history of LBP. Common assumptions that LBP is associated with lumbar kinematics or kinetics such as greater lumbar flexion or greater forces were not observed in this study, raising questions about the current paradigm around 'safe lifting'.Nic SaraceniAmity CampbellPeter KentLeo NgLeon StrakerPeter O'SullivanPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0254241 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nic Saraceni Amity Campbell Peter Kent Leo Ng Leon Straker Peter O'Sullivan Exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.
description	<h4>Purpose</h4>To investigate if lumbar and lower limb kinematics or kinetics are different between groups with and without a history of LBP during lifting. Secondly, to investigate relationships between biomechanical variables and pain ramp during repeated lifting.<h4>Methods</h4>21 LBP and 20 noLBP participants completed a 100-lift task, where lumbar and lower limb kinematics and kinetics were measured during lifting, with a simultaneous report of LBP intensity every 10 lifts. Lifts were performed in a laboratory setting, limiting ecological validity.<h4>Results</h4>The LBP group used a different lifting technique to the noLBP group at the beginning of the task (slower and more squat-like). Kinetic differences at the beginning included less peak lumbar external anterior shear force and greater peak knee power demonstrated by the LBP group. However, at the end of the task, both groups lifted with a much more similar technique that could be classified as more stoop-like and faster. Peak knee power remained greater in the LBP group throughout and was the only kinetic difference between groups at the end of the lifting task. While both groups lifted using a more comparable technique at the end, the LBP group still demonstrated a tendency to perform a slower and more squat-like lift throughout the task. Only one of 21 variables (pelvic tilt at box lift-off), was associated with pain ramp in the LBP group. Conclusions: Workers with a history of LBP, lift with a style that is slower and more squat-like than workers without any history of LBP. Common assumptions that LBP is associated with lumbar kinematics or kinetics such as greater lumbar flexion or greater forces were not observed in this study, raising questions about the current paradigm around 'safe lifting'.
format	article
author	Nic Saraceni Amity Campbell Peter Kent Leo Ng Leon Straker Peter O'Sullivan
author_facet	Nic Saraceni Amity Campbell Peter Kent Leo Ng Leon Straker Peter O'Sullivan
author_sort	Nic Saraceni
title	Exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.
title_short	Exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.
title_full	Exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.
title_fullStr	Exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.
title_full_unstemmed	Exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.
title_sort	exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with lbp.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/debeaf64eaf3443eab2ce902e856bff9
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Exploring lumbar and lower limb kinematics and kinetics for evidence that lifting technique is associated with LBP.

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