Nature of the coupling between neural drive and force-generating capacity in the human quadriceps muscle
Identifieur interne : 000221 ( Pmc/Corpus ); précédent : 000220; suivant : 000222Nature of the coupling between neural drive and force-generating capacity in the human quadriceps muscle
Auteurs : François Hug ; Clément Goupille ; Daniel Baum ; Brent J. Raiteri ; Paul W. Hodges ; Kylie TuckerSource :
- Proceedings of the Royal Society B: Biological Sciences [ 0962-8452 ] ; 2015.
Abstract
The force produced by a muscle depends on both the neural drive it receives and several biomechanical factors. When multiple muscles act on a single joint, the nature of the relationship between the neural drive and force-generating capacity of the synergistic muscles is largely unknown. This study aimed to determine the relationship between the ratio of neural drive and the ratio of muscle force-generating capacity between two synergist muscles (vastus lateralis (VL) and vastus medialis (VM)) in humans. Twenty-one participants performed isometric knee extensions at 20 and 50% of maximal voluntary contractions (MVC). Myoelectric activity (surface electromyography (EMG)) provided an index of neural drive. Physiological cross-sectional area (PCSA) was estimated from measurements of muscle volume (magnetic resonance imaging) and muscle fascicle length (three-dimensional ultrasound imaging) to represent the muscles' force-generating capacities. Neither PCSA nor neural drive was balanced between VL and VM. There was a large (
Url:
DOI: 10.1098/rspb.2015.1908
PubMed: 26609085
PubMed Central: 4685812
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Raiteri</name><affiliation><nlm:aff id="af4"><addr-line>School of Human Movement and Nutrition Sciences, Centre for Sensorimotor Performance</addr-line>,<institution>The University of Queensland</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></nlm:aff></affiliation></author><author><name sortKey="Hodges, Paul W" sort="Hodges, Paul W" uniqKey="Hodges P" first="Paul W." last="Hodges">Paul W. Hodges</name><affiliation><nlm:aff id="af1"><addr-line>School of Health and Rehabilitation Sciences</addr-line>,<institution>The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></nlm:aff></affiliation></author><author><name sortKey="Tucker, Kylie" sort="Tucker, Kylie" uniqKey="Tucker K" first="Kylie" last="Tucker">Kylie Tucker</name><affiliation><nlm:aff id="af1"><addr-line>School of Health and Rehabilitation Sciences</addr-line>,<institution>The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></nlm:aff></affiliation><affiliation><nlm:aff wicri:cut=", and" id="af3"><addr-line>School of Biomedical Sciences, The University of Queensland, Brisbane, Australia</addr-line></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26609085</idno><idno type="pmc">4685812</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4685812</idno><idno type="RBID">PMC:4685812</idno><idno type="doi">10.1098/rspb.2015.1908</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000221</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000221</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Nature of the coupling between neural drive and force-generating capacity in the human quadriceps muscle</title><author><name sortKey="Hug, Francois" sort="Hug, Francois" uniqKey="Hug F" first="François" last="Hug">François Hug</name><affiliation><nlm:aff id="af1"><addr-line>School of Health and Rehabilitation Sciences</addr-line>,<institution>The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></nlm:aff></affiliation><affiliation><nlm:aff id="af2"><addr-line>Laboratory EA 4334 ‘Movement, Interactions, Performance’</addr-line>,<institution>University of Nantes</institution>,<addr-line>Nantes</addr-line>,<country>France</country></nlm:aff></affiliation></author><author><name sortKey="Goupille, Clement" sort="Goupille, Clement" uniqKey="Goupille C" first="Clément" last="Goupille">Clément Goupille</name><affiliation><nlm:aff id="af2"><addr-line>Laboratory EA 4334 ‘Movement, Interactions, Performance’</addr-line>,<institution>University of Nantes</institution>,<addr-line>Nantes</addr-line>,<country>France</country></nlm:aff></affiliation></author><author><name sortKey="Baum, Daniel" sort="Baum, Daniel" uniqKey="Baum D" first="Daniel" last="Baum">Daniel Baum</name><affiliation><nlm:aff wicri:cut=", and" id="af3"><addr-line>School of Biomedical Sciences, The University of Queensland, Brisbane, Australia</addr-line></nlm:aff></affiliation></author><author><name sortKey="Raiteri, Brent J" sort="Raiteri, Brent J" uniqKey="Raiteri B" first="Brent J." last="Raiteri">Brent J. Raiteri</name><affiliation><nlm:aff id="af4"><addr-line>School of Human Movement and Nutrition Sciences, Centre for Sensorimotor Performance</addr-line>,<institution>The University of Queensland</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></nlm:aff></affiliation></author><author><name sortKey="Hodges, Paul W" sort="Hodges, Paul W" uniqKey="Hodges P" first="Paul W." last="Hodges">Paul W. Hodges</name><affiliation><nlm:aff id="af1"><addr-line>School of Health and Rehabilitation Sciences</addr-line>,<institution>The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></nlm:aff></affiliation></author><author><name sortKey="Tucker, Kylie" sort="Tucker, Kylie" uniqKey="Tucker K" first="Kylie" last="Tucker">Kylie Tucker</name><affiliation><nlm:aff id="af1"><addr-line>School of Health and Rehabilitation Sciences</addr-line>,<institution>The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></nlm:aff></affiliation><affiliation><nlm:aff wicri:cut=", and" id="af3"><addr-line>School of Biomedical Sciences, The University of Queensland, Brisbane, Australia</addr-line></nlm:aff></affiliation></author></analytic><series><title level="j">Proceedings of the Royal Society B: Biological Sciences</title><idno type="ISSN">0962-8452</idno><idno type="eISSN">1471-2954</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The force produced by a muscle depends on both the neural drive it receives and several biomechanical factors. When multiple muscles act on a single joint, the nature of the relationship between the neural drive and force-generating capacity of the synergistic muscles is largely unknown. This study aimed to determine the relationship between the ratio of neural drive and the ratio of muscle force-generating capacity between two synergist muscles (vastus lateralis (VL) and vastus medialis (VM)) in humans. Twenty-one participants performed isometric knee extensions at 20 and 50% of maximal voluntary contractions (MVC). Myoelectric activity (surface electromyography (EMG)) provided an index of neural drive. Physiological cross-sectional area (PCSA) was estimated from measurements of muscle volume (magnetic resonance imaging) and muscle fascicle length (three-dimensional ultrasound imaging) to represent the muscles' force-generating capacities. Neither PCSA nor neural drive was balanced between VL and VM. There was a large (<italic>r</italic> = 0.68) and moderate (<italic>r</italic> = 0.43) correlation between the ratio of VL/VM EMG amplitude and the ratio of VL/VM PCSA at 20 and 50% of MVC, respectively. This study provides evidence that neural drive is biased by muscle force-generating capacity, the greater the force-generating capacity of VL compared with VM, the stronger bias of drive to the VL.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Proc Biol Sci</journal-id><journal-id journal-id-type="iso-abbrev">Proc. Biol. Sci</journal-id><journal-id journal-id-type="publisher-id">RSPB</journal-id><journal-id journal-id-type="hwp">royprsb</journal-id><journal-title-group><journal-title>Proceedings of the Royal Society B: Biological Sciences</journal-title></journal-title-group><issn pub-type="ppub">0962-8452</issn><issn pub-type="epub">1471-2954</issn><publisher><publisher-name>The Royal Society</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">26609085</article-id><article-id pub-id-type="pmc">4685812</article-id><article-id pub-id-type="doi">10.1098/rspb.2015.1908</article-id><article-id pub-id-type="publisher-id">rspb20151908</article-id><article-categories><subj-group subj-group-type="hwp-journal-coll"><subject>1001</subject><subject>25</subject><subject>133</subject><subject>42</subject></subj-group><subj-group subj-group-type="heading"><subject>Research Articles</subject></subj-group></article-categories><title-group><article-title>Nature of the coupling between neural drive and force-generating capacity in the human quadriceps muscle</article-title><alt-title alt-title-type="short">muscle activation and PCSA</alt-title></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0002-6432-558X</contrib-id><name><surname>Hug</surname><given-names>François</given-names></name><xref ref-type="aff" rid="af1">1</xref><xref ref-type="aff" rid="af2">2</xref><xref ref-type="corresp" rid="cor1"></xref></contrib><contrib contrib-type="author"><name><surname>Goupille</surname><given-names>Clément</given-names></name><xref ref-type="aff" rid="af2">2</xref></contrib><contrib contrib-type="author"><name><surname>Baum</surname><given-names>Daniel</given-names></name><xref ref-type="aff" rid="af3">3</xref></contrib><contrib contrib-type="author"><name><surname>Raiteri</surname><given-names>Brent J.</given-names></name><xref ref-type="aff" rid="af4">4</xref></contrib><contrib contrib-type="author"><name><surname>Hodges</surname><given-names>Paul W.</given-names></name><xref ref-type="aff" rid="af1">1</xref><xref ref-type="author-notes" rid="AN1">†</xref></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0003-4976-7483</contrib-id><name><surname>Tucker</surname><given-names>Kylie</given-names></name><xref ref-type="aff" rid="af1">1</xref><xref ref-type="aff" rid="af3">3</xref><xref ref-type="author-notes" rid="AN1">†</xref></contrib></contrib-group><aff id="af1"><label>1</label><addr-line>School of Health and Rehabilitation Sciences</addr-line>,<institution>The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></aff><aff id="af2"><label>2</label><addr-line>Laboratory EA 4334 ‘Movement, Interactions, Performance’</addr-line>,<institution>University of Nantes</institution>,<addr-line>Nantes</addr-line>,<country>France</country></aff><aff id="af3"><label>3</label><addr-line>School of Biomedical Sciences, The University of Queensland, Brisbane, Australia</addr-line>, and</aff><aff id="af4"><label>4</label><addr-line>School of Human Movement and Nutrition Sciences, Centre for Sensorimotor Performance</addr-line>,<institution>The University of Queensland</institution>,<addr-line>Brisbane</addr-line>,<country>Australia</country></aff><author-notes><corresp id="cor1">e-mail: <email>francois.hug@univ-nantes.fr</email></corresp><fn id="AN1" fn-type="con"><label>†</label><p>These authors contributed equally to this work.</p></fn></author-notes><pub-date pub-type="ppub"><day>22</day><month>11</month><year>2015</year></pub-date><volume>282</volume><issue>1819</issue><elocation-id>20151908</elocation-id><history><date date-type="received"><day>7</day><month>8</month><year>2015</year></date><date date-type="accepted"><day>26</day><month>10</month><year>2015</year></date></history><permissions><copyright-statement>© 2015 The Author(s)</copyright-statement><copyright-year>2015</copyright-year><license specific-use="vor" xlink:href="http://royalsocietypublishing.org/licence"><license-p>Published by the Royal Society. All rights reserved.</license-p></license></permissions><self-uri content-type="pdf" xlink:href="rspb20151908.pdf"></self-uri><abstract><p>The force produced by a muscle depends on both the neural drive it receives and several biomechanical factors. When multiple muscles act on a single joint, the nature of the relationship between the neural drive and force-generating capacity of the synergistic muscles is largely unknown. This study aimed to determine the relationship between the ratio of neural drive and the ratio of muscle force-generating capacity between two synergist muscles (vastus lateralis (VL) and vastus medialis (VM)) in humans. Twenty-one participants performed isometric knee extensions at 20 and 50% of maximal voluntary contractions (MVC). Myoelectric activity (surface electromyography (EMG)) provided an index of neural drive. Physiological cross-sectional area (PCSA) was estimated from measurements of muscle volume (magnetic resonance imaging) and muscle fascicle length (three-dimensional ultrasound imaging) to represent the muscles' force-generating capacities. Neither PCSA nor neural drive was balanced between VL and VM. There was a large (<italic>r</italic> = 0.68) and moderate (<italic>r</italic> = 0.43) correlation between the ratio of VL/VM EMG amplitude and the ratio of VL/VM PCSA at 20 and 50% of MVC, respectively. This study provides evidence that neural drive is biased by muscle force-generating capacity, the greater the force-generating capacity of VL compared with VM, the stronger bias of drive to the VL.</p></abstract><kwd-group><kwd>electromyography</kwd><kwd>physiological cross-sectional area</kwd><kwd>quadriceps</kwd></kwd-group><funding-group specific-use="FundRef"><award-group><funding-source><institution-wrap><institution>Région Pays de la Loire</institution></institution-wrap></funding-source><award-id>QUETE</award-id></award-group></funding-group><funding-group specific-use="FundRef"><award-group><funding-source><institution-wrap><institution>National Health and Medical Research Council</institution><institution-id>http://dx.doi.org/10.13039/501100000925</institution-id></institution-wrap></funding-source><award-id>ID1009410</award-id><award-id>ID401599</award-id><award-id>ID631717</award-id></award-group></funding-group><funding-group specific-use="FundRef"><award-group><funding-source><institution-wrap><institution>University of Queensland - CAI</institution></institution-wrap></funding-source><award-id>ID15003</award-id></award-group></funding-group><custom-meta-group><custom-meta><meta-name>cover-date</meta-name><meta-value>November 22, 2015</meta-value></custom-meta></custom-meta-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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