Force control and disease severity in Parkinson's disease.
Identifieur interne : 003127 ( PubMed/Checkpoint ); précédent : 003126; suivant : 003128Force control and disease severity in Parkinson's disease.
Auteurs : Julie A. Robichaud [États-Unis] ; Kerstin D. Pfann ; David E. Vaillancourt ; Cynthia L. Comella ; Daniel M. CorcosSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2005.
English descriptors
- KwdEn :
- Acoustic Stimulation (methods), Aged, Cognition Disorders (diagnosis), Cognition Disorders (etiology), Cues, Electromyography, Female, Humans, Isometric Contraction (physiology), Male, Middle Aged, Muscle Contraction (physiology), Muscle Relaxation, Neuropsychological Tests, Parkinson Disease (complications), Parkinson Disease (diagnosis), Parkinson Disease (physiopathology), Time Factors.
- MESH :
- complications : Parkinson Disease.
- diagnosis : Cognition Disorders, Parkinson Disease.
- etiology : Cognition Disorders.
- methods : Acoustic Stimulation.
- physiology : Isometric Contraction, Muscle Contraction.
- physiopathology : Parkinson Disease.
- Aged, Cues, Electromyography, Female, Humans, Male, Middle Aged, Muscle Relaxation, Neuropsychological Tests, Time Factors.
Abstract
Several measures of isometric contractions reflect motor impairments in subjects with Parkinson's disease (PD), including long relaxation times and greater power in the 5 to 15 Hz electromyographic (EMG) bandwidth during the holding phase of contractions compared to those measures in healthy subjects. We sought to determine whether the impairments observed in subjects with PD in the performance of isometric contractions reflect disease severity. Twenty-eight subjects with PD performed isometric contractions at a torque level equal to 50% of the torque generated during a maximum voluntary contraction while off medication. Subjects were instructed to reach the target torque as fast as possible upon hearing the auditory "go" signal and to relax their muscles when a second auditory cue signaled the end of the hold phase. There was a significant positive correlation between torque relaxation time and Unified Parkinson's Disease Rating Scale (UPDRS)-Motor score. A significant positive correlation was also observed between the proportion of power in the 5 to 15 Hz frequency bin of the agonist EMG signal and UPDRS-Motor score, and a significant negative correlation between the proportion of power in the 15 to 30 Hz frequency bin and UPDRS-Motor score. These measures provide objective quantification of the severity of motor impairment that can be used to investigate the efficacy of different interventions in individuals with PD.
DOI: 10.1002/mds.20350
PubMed: 15593316
Affiliations:
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Pfann</name></author><author><name sortKey="Vaillancourt, David E" sort="Vaillancourt, David E" uniqKey="Vaillancourt D" first="David E" last="Vaillancourt">David E. Vaillancourt</name></author><author><name sortKey="Comella, Cynthia L" sort="Comella, Cynthia L" uniqKey="Comella C" first="Cynthia L" last="Comella">Cynthia L. Comella</name></author><author><name sortKey="Corcos, Daniel M" sort="Corcos, Daniel M" uniqKey="Corcos D" first="Daniel M" last="Corcos">Daniel M. Corcos</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="doi">10.1002/mds.20350</idno><idno type="RBID">pubmed:15593316</idno><idno type="pmid">15593316</idno><idno type="wicri:Area/PubMed/Corpus">003179</idno><idno type="wicri:Area/PubMed/Curation">003179</idno><idno type="wicri:Area/PubMed/Checkpoint">003127</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Force control and disease severity in Parkinson's disease.</title><author><name sortKey="Robichaud, Julie A" sort="Robichaud, Julie A" uniqKey="Robichaud J" first="Julie A" last="Robichaud">Julie A. Robichaud</name><affiliation wicri:level="1"><nlm:affiliation>Department of Physical Therapy, School of Health and Rehabilitation Sciences, Indiana University, Indianapolis, Indiana 46202, USA. jrobicha@iupui.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Physical Therapy, School of Health and Rehabilitation Sciences, Indiana University, Indianapolis, Indiana 46202</wicri:regionArea><wicri:noRegion>Indiana 46202</wicri:noRegion></affiliation></author><author><name sortKey="Pfann, Kerstin D" sort="Pfann, Kerstin D" uniqKey="Pfann K" first="Kerstin D" last="Pfann">Kerstin D. Pfann</name></author><author><name sortKey="Vaillancourt, David E" sort="Vaillancourt, David E" uniqKey="Vaillancourt D" first="David E" last="Vaillancourt">David E. Vaillancourt</name></author><author><name sortKey="Comella, Cynthia L" sort="Comella, Cynthia L" uniqKey="Comella C" first="Cynthia L" last="Comella">Cynthia L. Comella</name></author><author><name sortKey="Corcos, Daniel M" sort="Corcos, Daniel M" uniqKey="Corcos D" first="Daniel M" last="Corcos">Daniel M. Corcos</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="ISSN">0885-3185</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acoustic Stimulation (methods)</term><term>Aged</term><term>Cognition Disorders (diagnosis)</term><term>Cognition Disorders (etiology)</term><term>Cues</term><term>Electromyography</term><term>Female</term><term>Humans</term><term>Isometric Contraction (physiology)</term><term>Male</term><term>Middle Aged</term><term>Muscle Contraction (physiology)</term><term>Muscle Relaxation</term><term>Neuropsychological Tests</term><term>Parkinson Disease (complications)</term><term>Parkinson Disease (diagnosis)</term><term>Parkinson Disease (physiopathology)</term><term>Time Factors</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Cognition Disorders</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Cognition Disorders</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Acoustic Stimulation</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Isometric Contraction</term><term>Muscle Contraction</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Cues</term><term>Electromyography</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Muscle Relaxation</term><term>Neuropsychological Tests</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Several measures of isometric contractions reflect motor impairments in subjects with Parkinson's disease (PD), including long relaxation times and greater power in the 5 to 15 Hz electromyographic (EMG) bandwidth during the holding phase of contractions compared to those measures in healthy subjects. We sought to determine whether the impairments observed in subjects with PD in the performance of isometric contractions reflect disease severity. Twenty-eight subjects with PD performed isometric contractions at a torque level equal to 50% of the torque generated during a maximum voluntary contraction while off medication. Subjects were instructed to reach the target torque as fast as possible upon hearing the auditory "go" signal and to relax their muscles when a second auditory cue signaled the end of the hold phase. There was a significant positive correlation between torque relaxation time and Unified Parkinson's Disease Rating Scale (UPDRS)-Motor score. A significant positive correlation was also observed between the proportion of power in the 5 to 15 Hz frequency bin of the agonist EMG signal and UPDRS-Motor score, and a significant negative correlation between the proportion of power in the 15 to 30 Hz frequency bin and UPDRS-Motor score. These measures provide objective quantification of the severity of motor impairment that can be used to investigate the efficacy of different interventions in individuals with PD.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">15593316</PMID><DateCreated><Year>2005</Year><Month>04</Month><Day>13</Day></DateCreated><DateCompleted><Year>2005</Year><Month>08</Month><Day>25</Day></DateCompleted><DateRevised><Year>2007</Year><Month>11</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0885-3185</ISSN><JournalIssue CitedMedium="Print"><Volume>20</Volume><Issue>4</Issue><PubDate><Year>2005</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Movement disorders : official journal of the Movement Disorder Society</Title><ISOAbbreviation>Mov. Disord.</ISOAbbreviation></Journal><ArticleTitle>Force control and disease severity in Parkinson's disease.</ArticleTitle><Pagination><MedlinePgn>441-50</MedlinePgn></Pagination><Abstract><AbstractText>Several measures of isometric contractions reflect motor impairments in subjects with Parkinson's disease (PD), including long relaxation times and greater power in the 5 to 15 Hz electromyographic (EMG) bandwidth during the holding phase of contractions compared to those measures in healthy subjects. We sought to determine whether the impairments observed in subjects with PD in the performance of isometric contractions reflect disease severity. Twenty-eight subjects with PD performed isometric contractions at a torque level equal to 50% of the torque generated during a maximum voluntary contraction while off medication. Subjects were instructed to reach the target torque as fast as possible upon hearing the auditory "go" signal and to relax their muscles when a second auditory cue signaled the end of the hold phase. There was a significant positive correlation between torque relaxation time and Unified Parkinson's Disease Rating Scale (UPDRS)-Motor score. A significant positive correlation was also observed between the proportion of power in the 5 to 15 Hz frequency bin of the agonist EMG signal and UPDRS-Motor score, and a significant negative correlation between the proportion of power in the 15 to 30 Hz frequency bin and UPDRS-Motor score. 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UI="D003463">Cues</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004576">Electromyography</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007537">Isometric Contraction</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008875">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D009119">Muscle Contraction</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D009126">Muscle Relaxation</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D009483">Neuropsychological Tests</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010300">Parkinson Disease</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000150">complications</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000175">diagnosis</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000503">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013997">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2004</Year><Month>12</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2005</Year><Month>8</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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Comella</name><name sortKey="Corcos, Daniel M" sort="Corcos, Daniel M" uniqKey="Corcos D" first="Daniel M" last="Corcos">Daniel M. Corcos</name><name sortKey="Pfann, Kerstin D" sort="Pfann, Kerstin D" uniqKey="Pfann K" first="Kerstin D" last="Pfann">Kerstin D. Pfann</name><name sortKey="Vaillancourt, David E" sort="Vaillancourt, David E" uniqKey="Vaillancourt D" first="David E" last="Vaillancourt">David E. Vaillancourt</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Robichaud, Julie A" sort="Robichaud, Julie A" uniqKey="Robichaud J" first="Julie A" last="Robichaud">Julie A. Robichaud</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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