Regulation of dynamic postural control to attend manual steadiness constraints.
Identifieur interne : 000363 ( Main/Exploration ); précédent : 000362; suivant : 000364Regulation of dynamic postural control to attend manual steadiness constraints.
Auteurs : Luis Augusto Teixeira [Brésil] ; Joane De Figueiredo Serpa Coutinho [Brésil] ; Daniel Boari Coelho [Brésil]Source :
- Journal of neurophysiology [ 1522-1598 ] ; 2018.
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Abstract
In daily living activities, performance of spatially accurate manual movements in upright stance depends on postural stability. In the present investigation, we aimed to evaluate the effect of the required manual steadiness (task constraint) on the regulation of dynamic postural control. A single group of young participants ( n = 20) were evaluated in the performance of a dual posturo-manual task of balancing on a platform oscillating in sinusoidal translations at 0.4-Hz (low) or 1-Hz (high) frequencies while stabilizing a cylinder on a handheld tray. Manual task constraint was manipulated by comparing the conditions of keeping the cylinder stationary on its flat or round side, corresponding to low and high manual task constraints, respectively. Results showed that in the low oscillation frequency the high manual task constraint led to lower oscillation amplitudes of the head, center of mass, and tray, in addition to higher relative phase values between ankle/hip-shoulder oscillatory rotations and between center of mass/center of pressure-feet oscillations as compared with values observed in the low manual task constraint. Further analyses showed that the high manual task constraint also affected variables related to both postural (increased amplitudes of center of pressure oscillation) and manual (increased amplitude of shoulder rotations) task components in the high oscillation frequency. These results suggest that control of a dynamic posturo-manual task is modulated in distinct parameters to attend the required manual steadiness in a complex and flexible way. NEW & NOTEWORTHY We evaluated dynamic postural control on a platform oscillating in sinusoidal translations at different frequencies while performing a manual task with low or high steadiness constraints. Results showed that high manual task constraint led to modulation of metric and coordination variables associated with greater postural stability. Our findings suggest that motor control is regulated in an integrative mode at the posturo-manual task level, with reciprocal interplay between the postural and manual components.
DOI: 10.1152/jn.00941.2017
PubMed: 29718807
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</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Biomedical Engineering, Federal University of ABC , São Bernardo do Campo, São Paulo , Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Biomedical Engineering, Federal University of ABC , São Bernardo do Campo, São Paulo </wicri:regionArea><wicri:noRegion>São Paulo </wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2018">2018</date><idno type="RBID">pubmed:29718807</idno><idno type="pmid">29718807</idno><idno type="doi">10.1152/jn.00941.2017</idno><idno type="wicri:Area/Main/Corpus">000392</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000392</idno><idno type="wicri:Area/Main/Curation">000392</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">000392</idno><idno 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Serpa Coutinho</name><affiliation wicri:level="1"><nlm:affiliation>Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo , São Paulo , Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo , São Paulo </wicri:regionArea><wicri:noRegion>São Paulo </wicri:noRegion></affiliation></author><author><name sortKey="Coelho, Daniel Boari" sort="Coelho, Daniel Boari" uniqKey="Coelho D" first="Daniel Boari" last="Coelho">Daniel Boari Coelho</name><affiliation wicri:level="1"><nlm:affiliation>Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo , São Paulo , Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo , São Paulo </wicri:regionArea><wicri:noRegion>São Paulo </wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Biomedical Engineering, Federal University of ABC , São Bernardo do Campo, São Paulo , Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Biomedical Engineering, Federal University of ABC , São Bernardo do Campo, São Paulo </wicri:regionArea><wicri:noRegion>São Paulo </wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of neurophysiology</title><idno type="eISSN">1522-1598</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult (MeSH)</term><term>Biomechanical Phenomena (MeSH)</term><term>Female (MeSH)</term><term>Humans (MeSH)</term><term>Male (MeSH)</term><term>Postural Balance (MeSH)</term><term>Posture (MeSH)</term><term>Psychomotor Performance (MeSH)</term><term>Young Adult (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte (MeSH)</term><term>Femelle (MeSH)</term><term>Humains (MeSH)</term><term>Jeune adulte (MeSH)</term><term>Mâle (MeSH)</term><term>Performance psychomotrice (MeSH)</term><term>Phénomènes biomécaniques (MeSH)</term><term>Posture (MeSH)</term><term>Équilibre postural (MeSH)</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Biomechanical Phenomena</term><term>Female</term><term>Humans</term><term>Male</term><term>Postural Balance</term><term>Posture</term><term>Psychomotor Performance</term><term>Young Adult</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte</term><term>Femelle</term><term>Humains</term><term>Jeune adulte</term><term>Mâle</term><term>Performance psychomotrice</term><term>Phénomènes biomécaniques</term><term>Posture</term><term>Équilibre postural</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In daily living activities, performance of spatially accurate manual movements in upright stance depends on postural stability. In the present investigation, we aimed to evaluate the effect of the required manual steadiness (task constraint) on the regulation of dynamic postural control. A single group of young participants ( n = 20) were evaluated in the performance of a dual posturo-manual task of balancing on a platform oscillating in sinusoidal translations at 0.4-Hz (low) or 1-Hz (high) frequencies while stabilizing a cylinder on a handheld tray. Manual task constraint was manipulated by comparing the conditions of keeping the cylinder stationary on its flat or round side, corresponding to low and high manual task constraints, respectively. Results showed that in the low oscillation frequency the high manual task constraint led to lower oscillation amplitudes of the head, center of mass, and tray, in addition to higher relative phase values between ankle/hip-shoulder oscillatory rotations and between center of mass/center of pressure-feet oscillations as compared with values observed in the low manual task constraint. Further analyses showed that the high manual task constraint also affected variables related to both postural (increased amplitudes of center of pressure oscillation) and manual (increased amplitude of shoulder rotations) task components in the high oscillation frequency. These results suggest that control of a dynamic posturo-manual task is modulated in distinct parameters to attend the required manual steadiness in a complex and flexible way. NEW & NOTEWORTHY We evaluated dynamic postural control on a platform oscillating in sinusoidal translations at different frequencies while performing a manual task with low or high steadiness constraints. Results showed that high manual task constraint led to modulation of metric and coordination variables associated with greater postural stability. Our findings suggest that motor control is regulated in an integrative mode at the posturo-manual task level, with reciprocal interplay between the postural and manual components.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29718807</PMID><DateCompleted><Year>2019</Year><Month>07</Month><Day>29</Day></DateCompleted><DateRevised><Year>2019</Year><Month>07</Month><Day>29</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1522-1598</ISSN><JournalIssue CitedMedium="Internet"><Volume>120</Volume><Issue>2</Issue><PubDate><Year>2018</Year><Month>08</Month><Day>01</Day></PubDate></JournalIssue><Title>Journal of neurophysiology</Title><ISOAbbreviation>J Neurophysiol</ISOAbbreviation></Journal><ArticleTitle>Regulation of dynamic postural control to attend manual steadiness constraints.</ArticleTitle><Pagination><MedlinePgn>693-702</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1152/jn.00941.2017</ELocationID><Abstract><AbstractText>In daily living activities, performance of spatially accurate manual movements in upright stance depends on postural stability. In the present investigation, we aimed to evaluate the effect of the required manual steadiness (task constraint) on the regulation of dynamic postural control. A single group of young participants ( n = 20) were evaluated in the performance of a dual posturo-manual task of balancing on a platform oscillating in sinusoidal translations at 0.4-Hz (low) or 1-Hz (high) frequencies while stabilizing a cylinder on a handheld tray. Manual task constraint was manipulated by comparing the conditions of keeping the cylinder stationary on its flat or round side, corresponding to low and high manual task constraints, respectively. Results showed that in the low oscillation frequency the high manual task constraint led to lower oscillation amplitudes of the head, center of mass, and tray, in addition to higher relative phase values between ankle/hip-shoulder oscillatory rotations and between center of mass/center of pressure-feet oscillations as compared with values observed in the low manual task constraint. Further analyses showed that the high manual task constraint also affected variables related to both postural (increased amplitudes of center of pressure oscillation) and manual (increased amplitude of shoulder rotations) task components in the high oscillation frequency. These results suggest that control of a dynamic posturo-manual task is modulated in distinct parameters to attend the required manual steadiness in a complex and flexible way. NEW & NOTEWORTHY We evaluated dynamic postural control on a platform oscillating in sinusoidal translations at different frequencies while performing a manual task with low or high steadiness constraints. Results showed that high manual task constraint led to modulation of metric and coordination variables associated with greater postural stability. Our findings suggest that motor control is regulated in an integrative mode at the posturo-manual task level, with reciprocal interplay between the postural and manual components.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Teixeira</LastName><ForeName>Luis Augusto</ForeName><Initials>LA</Initials><Identifier Source="ORCID">0000-0003-4132-0484</Identifier><AffiliationInfo><Affiliation>Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo , São Paulo , Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Coutinho</LastName><ForeName>Joane de Figueiredo Serpa</ForeName><Initials>JFS</Initials><AffiliationInfo><Affiliation>Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo , São Paulo , Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Coelho</LastName><ForeName>Daniel Boari</ForeName><Initials>DB</Initials><AffiliationInfo><Affiliation>Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo , São Paulo , Brazil.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Biomedical Engineering, Federal University of ABC , São Bernardo do Campo, São Paulo , Brazil.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>05</Month><Day>02</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Neurophysiol</MedlineTA><NlmUniqueID>0375404</NlmUniqueID><ISSNLinking>0022-3077</ISSNLinking></MedlineJournalInfo><MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001696" MajorTopicYN="N">Biomechanical Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004856" MajorTopicYN="Y">Postural Balance</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011187" MajorTopicYN="N">Posture</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011597" MajorTopicYN="Y">Psychomotor Performance</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055815" MajorTopicYN="N">Young Adult</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">body equilibrium</Keyword><Keyword MajorTopicYN="Y">dual task</Keyword><Keyword MajorTopicYN="Y">dynamic balance</Keyword><Keyword MajorTopicYN="Y">oscillating platform</Keyword><Keyword MajorTopicYN="Y">posturo-manual control</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>5</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>7</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>5</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29718807</ArticleId><ArticleId IdType="doi">10.1152/jn.00941.2017</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Brésil</li></country></list><tree><country name="Brésil"><noRegion><name sortKey="Teixeira, Luis Augusto" sort="Teixeira, Luis Augusto" uniqKey="Teixeira L" first="Luis Augusto" last="Teixeira">Luis Augusto Teixeira</name></noRegion><name sortKey="Coelho, Daniel Boari" sort="Coelho, Daniel Boari" uniqKey="Coelho D" first="Daniel Boari" last="Coelho">Daniel Boari Coelho</name><name sortKey="Coelho, Daniel Boari" sort="Coelho, Daniel Boari" uniqKey="Coelho D" first="Daniel Boari" last="Coelho">Daniel Boari Coelho</name><name sortKey="Coutinho, Joane De Figueiredo Serpa" sort="Coutinho, Joane De Figueiredo Serpa" uniqKey="Coutinho J" first="Joane De Figueiredo Serpa" last="Coutinho">Joane De Figueiredo Serpa Coutinho</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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