The effect of a knee brace in dynamic motion-An instrumented gait analysis.

<h4>Background</h4>Osteoarthritis (OA) is a common problem in the older population. To reduce pain and stress in the affected knee joint compartment, a functional knee brace is often prescribed by physicians to protect it from high loads.<h4>Objectives</h4>An instrumented gai...

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Main Authors: Hannah Lena Siebers, Jörg Eschweiler, Jan Pinz, Markus Tingart, Björn Rath
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2020-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0238722
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author Hannah Lena Siebers
Jörg Eschweiler
Jan Pinz
Markus Tingart
Björn Rath
author_facet Hannah Lena Siebers
Jörg Eschweiler
Jan Pinz
Markus Tingart
Björn Rath
author_sort Hannah Lena Siebers
collection DOAJ
description <h4>Background</h4>Osteoarthritis (OA) is a common problem in the older population. To reduce pain and stress in the affected knee joint compartment, a functional knee brace is often prescribed by physicians to protect it from high loads.<h4>Objectives</h4>An instrumented gait analysis should evaluate how the 4-point knee orthosis for varus or valgus load relief (M.4s OA) changes the kinematics of the knee, especially in the frontal plane.<h4>Methods</h4>17 healthy participants took part and were analyzed with an inertial sensor system (MyoMotion) giving continuous, objective information on the anatomical angles. The measurements were made both without wearing a knee brace and with the brace in different settings.<h4>Results</h4>The results show a significant reduction in the maximum knee abduction and raised knee adduction. The knee brace, with a strong adjustment in varus or valgus orientation, caused a shift of maximum ab-/adduction in the proposed direction in 69% and 75% of the dynamic tests, respectively. The knee motion in the frontal plane shows individual movement patterns.<h4>Conclusion</h4>The use of the brace leads to significant changes in the knee's movement. Patient-specific movement patterns may explain different effects of functional knee braces on individual persons. Inertial sensors have been shown to be a low-cost, easy-to-use option for individual movement analysis and further personalized therapy.
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spelling doaj.art-e9ec05171b4f4a7fbea8f0430a59cdcd2022-12-21T21:31:33ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-01159e023872210.1371/journal.pone.0238722The effect of a knee brace in dynamic motion-An instrumented gait analysis.Hannah Lena SiebersJörg EschweilerJan PinzMarkus TingartBjörn Rath<h4>Background</h4>Osteoarthritis (OA) is a common problem in the older population. To reduce pain and stress in the affected knee joint compartment, a functional knee brace is often prescribed by physicians to protect it from high loads.<h4>Objectives</h4>An instrumented gait analysis should evaluate how the 4-point knee orthosis for varus or valgus load relief (M.4s OA) changes the kinematics of the knee, especially in the frontal plane.<h4>Methods</h4>17 healthy participants took part and were analyzed with an inertial sensor system (MyoMotion) giving continuous, objective information on the anatomical angles. The measurements were made both without wearing a knee brace and with the brace in different settings.<h4>Results</h4>The results show a significant reduction in the maximum knee abduction and raised knee adduction. The knee brace, with a strong adjustment in varus or valgus orientation, caused a shift of maximum ab-/adduction in the proposed direction in 69% and 75% of the dynamic tests, respectively. The knee motion in the frontal plane shows individual movement patterns.<h4>Conclusion</h4>The use of the brace leads to significant changes in the knee's movement. Patient-specific movement patterns may explain different effects of functional knee braces on individual persons. Inertial sensors have been shown to be a low-cost, easy-to-use option for individual movement analysis and further personalized therapy.https://doi.org/10.1371/journal.pone.0238722
spellingShingle Hannah Lena Siebers
Jörg Eschweiler
Jan Pinz
Markus Tingart
Björn Rath
The effect of a knee brace in dynamic motion-An instrumented gait analysis.
PLoS ONE
title The effect of a knee brace in dynamic motion-An instrumented gait analysis.
title_full The effect of a knee brace in dynamic motion-An instrumented gait analysis.
title_fullStr The effect of a knee brace in dynamic motion-An instrumented gait analysis.
title_full_unstemmed The effect of a knee brace in dynamic motion-An instrumented gait analysis.
title_short The effect of a knee brace in dynamic motion-An instrumented gait analysis.
title_sort effect of a knee brace in dynamic motion an instrumented gait analysis
url https://doi.org/10.1371/journal.pone.0238722
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