Effects of knee bracing on postural control after anterior cruciate ligament rupture.
Identifieur interne : 000C05 ( Main/Corpus ); précédent : 000C04; suivant : 000C06Effects of knee bracing on postural control after anterior cruciate ligament rupture.
Auteurs : Hans-Georg Palm ; Florian Brattinger ; Bernd Stegmueller ; Gerhard Achatz ; Hans-Joachim Riesner ; Benedikt FriemertSource :
- The Knee [ 1873-5800 ] ; 2012.
English descriptors
- KwdEn :
- Adult (MeSH), Anterior Cruciate Ligament Injuries (MeSH), Biomechanical Phenomena (MeSH), Braces (MeSH), Electromyography (MeSH), Female (MeSH), Follow-Up Studies (MeSH), Humans (MeSH), Joint Instability (etiology), Joint Instability (physiopathology), Joint Instability (therapy), Knee Injuries (complications), Knee Injuries (physiopathology), Knee Injuries (therapy), Male (MeSH), Muscle, Skeletal (physiopathology), Postural Balance (physiology), Rupture (MeSH).
- MESH :
- complications : Knee Injuries.
- etiology : Joint Instability.
- physiology : Postural Balance.
- physiopathology : Joint Instability, Knee Injuries, Muscle, Skeletal.
- therapy : Joint Instability, Knee Injuries.
- Adult, Anterior Cruciate Ligament Injuries, Biomechanical Phenomena, Braces, Electromyography, Female, Follow-Up Studies, Humans, Male, Rupture.
Abstract
STUDY DESIGN
Randomized clinical trial.
OBJECTIVES
To investigate the effects of functional knee braces on postural control in patients with anterior cruciate ligament (ACL) rupture.
BACKGROUND
ACL rupture leads to both mechanical knee instability and deficits in proprioception. Although elastic knee braces do not increase mechanical stability, patients report improved stability when wearing a brace. Elastic braces were found to reduce the loss of proprioception. It is, however, still unclear whether they also improve postural control, which involves the processing of proprioceptive input at a higher level.
METHODS
We studied 58 patients with isolated unilateral ACL rupture using computerized dynamic posturography and compared overall stability index (OSI) scores for injured and uninjured legs with and without a knee brace. In addition, patients were classified as copers and non-copers depending on knee function.
RESULTS
Within subjects, OSI scores were 3.0 ± 1.1° for uninjured legs when unbraced, 2.8±1.3° for uninjured legs when braced (p=0.17), 3.7 ± 1.5° for unbraced injured legs, and 2.9 ± 1.3° for braced injured legs (p<0.001). For the injured legs of copers and non-copers, OSI scores were 3.4° ± 1.2° for copers and 4.0° ± 1.6° for non-copers in the unbraced condition (p=0.11) and 2.7 ± 1.0° for copers and 3.1 ± 1.4° for non-copers in the braced condition (p=0.26).
CONCLUSION
Elastic knee braces increase postural stability by approximately 22% in patients with ACL rupture. There was no difference in postural stability between uninjured and injured legs in the braced condition. One possible explanation is that bracing improves both proprioception and postural control.
DOI: 10.1016/j.knee.2011.07.011
PubMed: 21871811
Links to Exploration step
pubmed:21871811Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effects of knee bracing on postural control after anterior cruciate ligament rupture.</title>
<author><name sortKey="Palm, Hans Georg" sort="Palm, Hans Georg" uniqKey="Palm H" first="Hans-Georg" last="Palm">Hans-Georg Palm</name>
<affiliation><nlm:affiliation>Trauma Research Group, Department of Orthopedics and Trauma Surgery, German Armed Forces Hospital of Ulm, Ulm, Germany. HG_Palm@yahoo.de</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Brattinger, Florian" sort="Brattinger, Florian" uniqKey="Brattinger F" first="Florian" last="Brattinger">Florian Brattinger</name>
</author>
<author><name sortKey="Stegmueller, Bernd" sort="Stegmueller, Bernd" uniqKey="Stegmueller B" first="Bernd" last="Stegmueller">Bernd Stegmueller</name>
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<author><name sortKey="Achatz, Gerhard" sort="Achatz, Gerhard" uniqKey="Achatz G" first="Gerhard" last="Achatz">Gerhard Achatz</name>
</author>
<author><name sortKey="Riesner, Hans Joachim" sort="Riesner, Hans Joachim" uniqKey="Riesner H" first="Hans-Joachim" last="Riesner">Hans-Joachim Riesner</name>
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<author><name sortKey="Friemert, Benedikt" sort="Friemert, Benedikt" uniqKey="Friemert B" first="Benedikt" last="Friemert">Benedikt Friemert</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Effects of knee bracing on postural control after anterior cruciate ligament rupture.</title>
<author><name sortKey="Palm, Hans Georg" sort="Palm, Hans Georg" uniqKey="Palm H" first="Hans-Georg" last="Palm">Hans-Georg Palm</name>
<affiliation><nlm:affiliation>Trauma Research Group, Department of Orthopedics and Trauma Surgery, German Armed Forces Hospital of Ulm, Ulm, Germany. HG_Palm@yahoo.de</nlm:affiliation>
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<author><name sortKey="Brattinger, Florian" sort="Brattinger, Florian" uniqKey="Brattinger F" first="Florian" last="Brattinger">Florian Brattinger</name>
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<author><name sortKey="Stegmueller, Bernd" sort="Stegmueller, Bernd" uniqKey="Stegmueller B" first="Bernd" last="Stegmueller">Bernd Stegmueller</name>
</author>
<author><name sortKey="Achatz, Gerhard" sort="Achatz, Gerhard" uniqKey="Achatz G" first="Gerhard" last="Achatz">Gerhard Achatz</name>
</author>
<author><name sortKey="Riesner, Hans Joachim" sort="Riesner, Hans Joachim" uniqKey="Riesner H" first="Hans-Joachim" last="Riesner">Hans-Joachim Riesner</name>
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<author><name sortKey="Friemert, Benedikt" sort="Friemert, Benedikt" uniqKey="Friemert B" first="Benedikt" last="Friemert">Benedikt Friemert</name>
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<series><title level="j">The Knee</title>
<idno type="eISSN">1873-5800</idno>
<imprint><date when="2012" type="published">2012</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult (MeSH)</term>
<term>Anterior Cruciate Ligament Injuries (MeSH)</term>
<term>Biomechanical Phenomena (MeSH)</term>
<term>Braces (MeSH)</term>
<term>Electromyography (MeSH)</term>
<term>Female (MeSH)</term>
<term>Follow-Up Studies (MeSH)</term>
<term>Humans (MeSH)</term>
<term>Joint Instability (etiology)</term>
<term>Joint Instability (physiopathology)</term>
<term>Joint Instability (therapy)</term>
<term>Knee Injuries (complications)</term>
<term>Knee Injuries (physiopathology)</term>
<term>Knee Injuries (therapy)</term>
<term>Male (MeSH)</term>
<term>Muscle, Skeletal (physiopathology)</term>
<term>Postural Balance (physiology)</term>
<term>Rupture (MeSH)</term>
</keywords>
<keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Knee Injuries</term>
</keywords>
<keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Joint Instability</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Postural Balance</term>
</keywords>
<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Joint Instability</term>
<term>Knee Injuries</term>
<term>Muscle, Skeletal</term>
</keywords>
<keywords scheme="MESH" qualifier="therapy" xml:lang="en"><term>Joint Instability</term>
<term>Knee Injuries</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Anterior Cruciate Ligament Injuries</term>
<term>Biomechanical Phenomena</term>
<term>Braces</term>
<term>Electromyography</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Male</term>
<term>Rupture</term>
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<front><div type="abstract" xml:lang="en"><p><b>STUDY DESIGN</b>
</p>
<p>Randomized clinical trial.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>OBJECTIVES</b>
</p>
<p>To investigate the effects of functional knee braces on postural control in patients with anterior cruciate ligament (ACL) rupture.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>BACKGROUND</b>
</p>
<p>ACL rupture leads to both mechanical knee instability and deficits in proprioception. Although elastic knee braces do not increase mechanical stability, patients report improved stability when wearing a brace. Elastic braces were found to reduce the loss of proprioception. It is, however, still unclear whether they also improve postural control, which involves the processing of proprioceptive input at a higher level.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>METHODS</b>
</p>
<p>We studied 58 patients with isolated unilateral ACL rupture using computerized dynamic posturography and compared overall stability index (OSI) scores for injured and uninjured legs with and without a knee brace. In addition, patients were classified as copers and non-copers depending on knee function.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>RESULTS</b>
</p>
<p>Within subjects, OSI scores were 3.0 ± 1.1° for uninjured legs when unbraced, 2.8±1.3° for uninjured legs when braced (p=0.17), 3.7 ± 1.5° for unbraced injured legs, and 2.9 ± 1.3° for braced injured legs (p<0.001). For the injured legs of copers and non-copers, OSI scores were 3.4° ± 1.2° for copers and 4.0° ± 1.6° for non-copers in the unbraced condition (p=0.11) and 2.7 ± 1.0° for copers and 3.1 ± 1.4° for non-copers in the braced condition (p=0.26).</p>
</div>
<div type="abstract" xml:lang="en"><p><b>CONCLUSION</b>
</p>
<p>Elastic knee braces increase postural stability by approximately 22% in patients with ACL rupture. There was no difference in postural stability between uninjured and injured legs in the braced condition. One possible explanation is that bracing improves both proprioception and postural control.</p>
</div>
</front>
</TEI>
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<Abstract><AbstractText Label="STUDY DESIGN" NlmCategory="METHODS">Randomized clinical trial.</AbstractText>
<AbstractText Label="OBJECTIVES" NlmCategory="OBJECTIVE">To investigate the effects of functional knee braces on postural control in patients with anterior cruciate ligament (ACL) rupture.</AbstractText>
<AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">ACL rupture leads to both mechanical knee instability and deficits in proprioception. Although elastic knee braces do not increase mechanical stability, patients report improved stability when wearing a brace. Elastic braces were found to reduce the loss of proprioception. It is, however, still unclear whether they also improve postural control, which involves the processing of proprioceptive input at a higher level.</AbstractText>
<AbstractText Label="METHODS" NlmCategory="METHODS">We studied 58 patients with isolated unilateral ACL rupture using computerized dynamic posturography and compared overall stability index (OSI) scores for injured and uninjured legs with and without a knee brace. In addition, patients were classified as copers and non-copers depending on knee function.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">Within subjects, OSI scores were 3.0 ± 1.1° for uninjured legs when unbraced, 2.8±1.3° for uninjured legs when braced (p=0.17), 3.7 ± 1.5° for unbraced injured legs, and 2.9 ± 1.3° for braced injured legs (p<0.001). For the injured legs of copers and non-copers, OSI scores were 3.4° ± 1.2° for copers and 4.0° ± 1.6° for non-copers in the unbraced condition (p=0.11) and 2.7 ± 1.0° for copers and 3.1 ± 1.4° for non-copers in the braced condition (p=0.26).</AbstractText>
<AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">Elastic knee braces increase postural stability by approximately 22% in patients with ACL rupture. There was no difference in postural stability between uninjured and injured legs in the braced condition. One possible explanation is that bracing improves both proprioception and postural control.</AbstractText>
<CopyrightInformation>Copyright © 2011 Elsevier B.V. All rights reserved.</CopyrightInformation>
</Abstract>
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