Ankle muscle co-contractions during quiet standing are associated with decreased postural steadiness in the elderly.
Identifieur interne : 000542 ( Main/Curation ); précédent : 000541; suivant : 000543Ankle muscle co-contractions during quiet standing are associated with decreased postural steadiness in the elderly.
Auteurs : Albert H. Vette [Canada] ; Dimitry G. Sayenko [États-Unis] ; Michael Jones [Canada] ; Masaki O. Abe [Japon] ; Kimitaka Nakazawa [Japon] ; Kei Masani [Canada]Source :
- Gait & posture [ 1879-2219 ] ; 2017.
Descripteurs français
- KwdFr :
- Activité motrice (physiologie), Cheville (physiologie), Contraction musculaire (physiologie), Facteurs temps (MeSH), Femelle (MeSH), Humains (MeSH), Muscles squelettiques (physiologie), Mâle (MeSH), Posture (physiologie), Pression (MeSH), Repos (physiologie), Sujet âgé (MeSH), Volontaires sains (MeSH), Électromyographie (MeSH), Équilibre postural (physiologie).
- MESH :
English descriptors
- KwdEn :
- Aged (MeSH), Ankle (physiology), Electromyography (MeSH), Female (MeSH), Healthy Volunteers (MeSH), Humans (MeSH), Male (MeSH), Motor Activity (physiology), Muscle Contraction (physiology), Muscle, Skeletal (physiology), Postural Balance (physiology), Posture (physiology), Pressure (MeSH), Rest (physiology), Time Factors (MeSH).
- MESH :
- physiology : Ankle, Motor Activity, Muscle Contraction, Muscle, Skeletal, Postural Balance, Posture, Rest.
- Aged, Electromyography, Female, Healthy Volunteers, Humans, Male, Pressure, Time Factors.
Abstract
It has been reported that the elderly use co-contraction of the tibialis anterior (TA) and plantarflexor muscles for longer duration during quiet standing than the young. However, the particular role of ankle muscle co-contractions in the elderly during quiet standing remains unclear. Therefore, the objective of this study was to investigate the association between ankle muscle co-contractions and postural steadiness during standing in the elderly. Twenty-seven young (27.2±4.5yrs) and twenty-three elderly (66.2±5.0yrs) subjects were asked to stand quietly on a force plate for five trials. The center of pressure (COP) trajectory and its velocity (COPv) as well as the center of mass (COM) trajectory and its velocity (COMv) and acceleration (ACC) were calculated using the force plate outputs. Electromyograms were obtained from the right TA, soleus (SOL), and medial gastrocnemius (MG) muscles. Periods of TA activity (TAon) and inactivity (TAoff) were determined using an EMG threshold based on TA resting level. Our results indicate that, in the elderly, the COPv, COMv, and ACC variability were significantly larger during TAon periods compared to TAoff periods. However, in the young, no significant association between respective variability and TA activity was found. We conclude that ankle muscle co-contractions in the elderly are not associated with an increase, but a decrease in postural steadiness. Future studies are needed to clarify the causal relationship between (1) ankle muscle co-contractions and (2) joint stiffness and multi-segmental actions during standing as well as their changes with aging.
DOI: 10.1016/j.gaitpost.2017.03.032
PubMed: 28411442
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Vette</name><affiliation wicri:level="1"><nlm:affiliation>Department of Mechanical Engineering, University of Alberta, 10-326 Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta, T6G 1H9, Canada; Glenrose Rehabilitation Hospital, Alberta Health Services, 10230 111 Avenue NW, Edmonton, Alberta, T5G 0B7, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Mechanical Engineering, University of Alberta, 10-326 Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta, T6G 1H9, Canada; Glenrose Rehabilitation Hospital, Alberta Health Services, 10230 111 Avenue NW, Edmonton, Alberta, T5G 0B7</wicri:regionArea></affiliation></author><author><name sortKey="Sayenko, Dimitry G" sort="Sayenko, Dimitry G" uniqKey="Sayenko D" first="Dimitry G" last="Sayenko">Dimitry G. 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Vette</name><affiliation wicri:level="1"><nlm:affiliation>Department of Mechanical Engineering, University of Alberta, 10-326 Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta, T6G 1H9, Canada; Glenrose Rehabilitation Hospital, Alberta Health Services, 10230 111 Avenue NW, Edmonton, Alberta, T5G 0B7, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Mechanical Engineering, University of Alberta, 10-326 Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta, T6G 1H9, Canada; Glenrose Rehabilitation Hospital, Alberta Health Services, 10230 111 Avenue NW, Edmonton, Alberta, T5G 0B7</wicri:regionArea></affiliation></author><author><name sortKey="Sayenko, Dimitry G" sort="Sayenko, Dimitry G" uniqKey="Sayenko D" first="Dimitry G" last="Sayenko">Dimitry G. Sayenko</name><affiliation wicri:level="1"><nlm:affiliation>Department of Integrative Biology and Physiology, University of California, Los Angeles, 610 Charles E. Young Dr. East, Los Angeles, CA, 90095, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Integrative Biology and Physiology, University of California, Los Angeles, 610 Charles E. Young Dr. East, Los Angeles, CA, 90095</wicri:regionArea></affiliation></author><author><name sortKey="Jones, Michael" sort="Jones, Michael" uniqKey="Jones M" first="Michael" last="Jones">Michael Jones</name><affiliation wicri:level="1"><nlm:affiliation>Rehabilitation Engineering Laboratory, Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Rehabilitation Engineering Laboratory, Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9</wicri:regionArea></affiliation></author><author><name sortKey="Abe, Masaki O" sort="Abe, Masaki O" uniqKey="Abe M" first="Masaki O" last="Abe">Masaki O. Abe</name><affiliation wicri:level="1"><nlm:affiliation>Graduate School of Education, University of Hokkaido, Kita 11jo, Nishi 7Chome, Kita-ku, Sapporo, 060-0811, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Graduate School of Education, University of Hokkaido, Kita 11jo, Nishi 7Chome, Kita-ku, Sapporo, 060-0811</wicri:regionArea></affiliation></author><author><name sortKey="Nakazawa, Kimitaka" sort="Nakazawa, Kimitaka" uniqKey="Nakazawa K" first="Kimitaka" last="Nakazawa">Kimitaka Nakazawa</name><affiliation wicri:level="1"><nlm:affiliation>Department of Life Sciences, University of Tokyo, 153 Komaba, Meguro-ku, Tokyo, 102-8471, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Life Sciences, University of Tokyo, 153 Komaba, Meguro-ku, Tokyo, 102-8471</wicri:regionArea></affiliation></author><author><name sortKey="Masani, Kei" sort="Masani, Kei" uniqKey="Masani K" first="Kei" last="Masani">Kei Masani</name><affiliation wicri:level="1"><nlm:affiliation>Rehabilitation Engineering Laboratory, Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada; Rehabilitation Engineering Laboratory, Lyndhurst Centre, Toronto Rehabilitation Institute - University Health Network, 520 Sutherland Drive, Toronto, Ontario M4G 3V9, Canada. Electronic address: k.masani@utoronto.ca.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Rehabilitation Engineering Laboratory, Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada; Rehabilitation Engineering Laboratory, Lyndhurst Centre, Toronto Rehabilitation Institute - University Health Network, 520 Sutherland Drive, Toronto, Ontario M4G 3V9</wicri:regionArea></affiliation></author></analytic><series><title level="j">Gait & posture</title><idno type="eISSN">1879-2219</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged (MeSH)</term><term>Ankle (physiology)</term><term>Electromyography (MeSH)</term><term>Female (MeSH)</term><term>Healthy Volunteers (MeSH)</term><term>Humans (MeSH)</term><term>Male (MeSH)</term><term>Motor Activity (physiology)</term><term>Muscle Contraction (physiology)</term><term>Muscle, Skeletal (physiology)</term><term>Postural Balance (physiology)</term><term>Posture (physiology)</term><term>Pressure (MeSH)</term><term>Rest (physiology)</term><term>Time Factors (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Activité motrice (physiologie)</term><term>Cheville (physiologie)</term><term>Contraction musculaire (physiologie)</term><term>Facteurs temps (MeSH)</term><term>Femelle (MeSH)</term><term>Humains (MeSH)</term><term>Muscles squelettiques (physiologie)</term><term>Mâle (MeSH)</term><term>Posture (physiologie)</term><term>Pression (MeSH)</term><term>Repos (physiologie)</term><term>Sujet âgé (MeSH)</term><term>Volontaires sains (MeSH)</term><term>Électromyographie (MeSH)</term><term>Équilibre postural (physiologie)</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Activité motrice</term><term>Cheville</term><term>Contraction musculaire</term><term>Muscles squelettiques</term><term>Posture</term><term>Repos</term><term>Équilibre postural</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Ankle</term><term>Motor Activity</term><term>Muscle Contraction</term><term>Muscle, Skeletal</term><term>Postural Balance</term><term>Posture</term><term>Rest</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Electromyography</term><term>Female</term><term>Healthy Volunteers</term><term>Humans</term><term>Male</term><term>Pressure</term><term>Time Factors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Facteurs temps</term><term>Femelle</term><term>Humains</term><term>Mâle</term><term>Pression</term><term>Sujet âgé</term><term>Volontaires sains</term><term>Électromyographie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">It has been reported that the elderly use co-contraction of the tibialis anterior (TA) and plantarflexor muscles for longer duration during quiet standing than the young. However, the particular role of ankle muscle co-contractions in the elderly during quiet standing remains unclear. Therefore, the objective of this study was to investigate the association between ankle muscle co-contractions and postural steadiness during standing in the elderly. Twenty-seven young (27.2±4.5yrs) and twenty-three elderly (66.2±5.0yrs) subjects were asked to stand quietly on a force plate for five trials. The center of pressure (COP) trajectory and its velocity (COPv) as well as the center of mass (COM) trajectory and its velocity (COMv) and acceleration (ACC) were calculated using the force plate outputs. Electromyograms were obtained from the right TA, soleus (SOL), and medial gastrocnemius (MG) muscles. Periods of TA activity (TAon) and inactivity (TAoff) were determined using an EMG threshold based on TA resting level. Our results indicate that, in the elderly, the COPv, COMv, and ACC variability were significantly larger during TAon periods compared to TAoff periods. However, in the young, no significant association between respective variability and TA activity was found. We conclude that ankle muscle co-contractions in the elderly are not associated with an increase, but a decrease in postural steadiness. Future studies are needed to clarify the causal relationship between (1) ankle muscle co-contractions and (2) joint stiffness and multi-segmental actions during standing as well as their changes with aging.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">28411442</PMID><DateCompleted><Year>2018</Year><Month>01</Month><Day>26</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-2219</ISSN><JournalIssue CitedMedium="Internet"><Volume>55</Volume><PubDate><Year>2017</Year><Month>06</Month></PubDate></JournalIssue><Title>Gait & posture</Title><ISOAbbreviation>Gait Posture</ISOAbbreviation></Journal><ArticleTitle>Ankle muscle co-contractions during quiet standing are associated with decreased postural steadiness in the elderly.</ArticleTitle><Pagination><MedlinePgn>31-36</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0966-6362(17)30105-4</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.gaitpost.2017.03.032</ELocationID><Abstract><AbstractText>It has been reported that the elderly use co-contraction of the tibialis anterior (TA) and plantarflexor muscles for longer duration during quiet standing than the young. However, the particular role of ankle muscle co-contractions in the elderly during quiet standing remains unclear. Therefore, the objective of this study was to investigate the association between ankle muscle co-contractions and postural steadiness during standing in the elderly. Twenty-seven young (27.2±4.5yrs) and twenty-three elderly (66.2±5.0yrs) subjects were asked to stand quietly on a force plate for five trials. The center of pressure (COP) trajectory and its velocity (COPv) as well as the center of mass (COM) trajectory and its velocity (COMv) and acceleration (ACC) were calculated using the force plate outputs. Electromyograms were obtained from the right TA, soleus (SOL), and medial gastrocnemius (MG) muscles. Periods of TA activity (TAon) and inactivity (TAoff) were determined using an EMG threshold based on TA resting level. Our results indicate that, in the elderly, the COPv, COMv, and ACC variability were significantly larger during TAon periods compared to TAoff periods. However, in the young, no significant association between respective variability and TA activity was found. We conclude that ankle muscle co-contractions in the elderly are not associated with an increase, but a decrease in postural steadiness. Future studies are needed to clarify the causal relationship between (1) ankle muscle co-contractions and (2) joint stiffness and multi-segmental actions during standing as well as their changes with aging.</AbstractText><CopyrightInformation>Copyright © 2017 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Vette</LastName><ForeName>Albert H</ForeName><Initials>AH</Initials><AffiliationInfo><Affiliation>Department of Mechanical Engineering, University of Alberta, 10-326 Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta, T6G 1H9, Canada; Glenrose Rehabilitation Hospital, Alberta Health Services, 10230 111 Avenue NW, Edmonton, Alberta, T5G 0B7, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sayenko</LastName><ForeName>Dimitry G</ForeName><Initials>DG</Initials><AffiliationInfo><Affiliation>Department of Integrative Biology and Physiology, University of California, Los Angeles, 610 Charles E. Young Dr. East, Los Angeles, CA, 90095, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jones</LastName><ForeName>Michael</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Rehabilitation Engineering Laboratory, Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Abe</LastName><ForeName>Masaki O</ForeName><Initials>MO</Initials><AffiliationInfo><Affiliation>Graduate School of Education, University of Hokkaido, Kita 11jo, Nishi 7Chome, Kita-ku, Sapporo, 060-0811, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Nakazawa</LastName><ForeName>Kimitaka</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Department of Life Sciences, University of Tokyo, 153 Komaba, Meguro-ku, Tokyo, 102-8471, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Masani</LastName><ForeName>Kei</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Rehabilitation Engineering Laboratory, Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada; Rehabilitation Engineering Laboratory, Lyndhurst Centre, Toronto Rehabilitation Institute - University Health Network, 520 Sutherland Drive, Toronto, Ontario M4G 3V9, Canada. Electronic address: k.masani@utoronto.ca.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>04</Month><Day>05</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Gait Posture</MedlineTA><NlmUniqueID>9416830</NlmUniqueID><ISSNLinking>0966-6362</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000842" MajorTopicYN="N">Ankle</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004576" MajorTopicYN="N">Electromyography</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D064368" MajorTopicYN="N">Healthy Volunteers</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009043" MajorTopicYN="N">Motor Activity</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009119" MajorTopicYN="N">Muscle Contraction</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018482" MajorTopicYN="N">Muscle, Skeletal</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004856" MajorTopicYN="N">Postural Balance</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011187" MajorTopicYN="N">Posture</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011312" MajorTopicYN="N">Pressure</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012146" MajorTopicYN="N">Rest</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Aging</Keyword><Keyword MajorTopicYN="Y">Center of mass</Keyword><Keyword MajorTopicYN="Y">Center of pressure</Keyword><Keyword MajorTopicYN="Y">Co-contractions</Keyword><Keyword MajorTopicYN="Y">Muscle activity</Keyword><Keyword MajorTopicYN="Y">Posturography</Keyword><Keyword MajorTopicYN="Y">Standing</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>03</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>03</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>03</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>4</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>1</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>4</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28411442</ArticleId><ArticleId IdType="pii">S0966-6362(17)30105-4</ArticleId><ArticleId IdType="doi">10.1016/j.gaitpost.2017.03.032</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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