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Co-activation of upper limb muscles during reaching in post-stroke subjects: An analysis of the contralesional and ipsilesional limbs

2014Journal article Open access
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dc.contributor.authorSilva, Cláudia
dc.contributor.authorSilva, Augusta
dc.contributor.authorPinheiro De Sousa, Andreia Sofia
dc.contributor.authorPinheiro, Ana Rita
dc.contributor.authorBourlinova, Catarina
dc.contributor.authorSilva, Ana
dc.contributor.authorSalazar, António
dc.contributor.authorBorges, Carla
dc.contributor.authorCrasto, Carlos
dc.contributor.authorCorreia, Miguel Velhote
dc.contributor.authorVilas-Boas, João Paulo
dc.contributor.authorSantos, Rubim
dc.date.accessioned2019-06-28T14:46:01Z
dc.date.available2019-06-28T14:46:01Z
dc.date.issued2014
dc.description.abstractThe purpose of this study was to analyze the change in antagonist co-activation ratio of upper-limb muscle pairs, during the reaching movement, of both ipsilesional and contralesional limbs of post-stroke subjects. Nine healthy and nine post-stroke subjects were instructed to reach and grasp a target, placed in the sagittal and scapular planes of movement. Surface EMG was recorded from postural control and movement related muscles. Reaching movement was divided in two sub-phases, according to proximal postural control versus movement control demands, during which antagonist co-activation ratios were calculated for the muscle pairs LD/PM, PD/AD, TRIlat/BB and TRIlat/BR. Post-stroke's ipsilesional limb presented lower co-activation in muscles with an important role in postural control (LD/PM), comparing to the healthy subjects during the first sub-phase, when the movement was performed in the sagittal plane (p<0.05). Conversely, the post-stroke's contralesional limb showed in general an increased co-activation ratio in muscles related to movement control, comparing to the healthy subjects. Our findings demonstrate that, in post-stroke subjects, the reaching movement performed with the ipsilesional upper limb seems to show co-activation impairments in muscle pairs associated to postural control, whereas the contralesional upper limb seems to have signs of impairment of muscle pairs related to movement.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.jelekin.2014.04.011pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/14156
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S1050641114000753?via%3Dihubpt_PT
dc.subjectIpsilesional limbpt_PT
dc.subjectBiomechanical Phenomenapt_PT
dc.subjectElectromyographypt_PT
dc.subjectAntagonist co-activation ratiopt_PT
dc.subjectMuscle, Skeletalpt_PT
dc.subjectRehabilitationpt_PT
dc.subjectStrokept_PT
dc.titleCo-activation of upper limb muscles during reaching in post-stroke subjects: An analysis of the contralesional and ipsilesional limbspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F61396%2F2009/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F60929%2F2009/PT
oaire.citation.endPage738pt_PT
oaire.citation.issue5pt_PT
oaire.citation.startPage731pt_PT
oaire.citation.titleJournal of Electro - myography and Kinesiologypt_PT
oaire.citation.volume24pt_PT
oaire.fundingStreamSFRH
oaire.fundingStreamSFRH
person.familyNameSilva
person.familyNameFerreira Silva
person.familyNamePinheiro de Sousa
person.familyNamePinheiro
person.familyNameRubim Silva Santos
person.givenNameCláudia
person.givenNameMaria Augusta
person.givenNameAndreia Sofia
person.givenNameAna Rita
person.givenNameManuel
person.identifier2061639
person.identifier1087589
person.identifier1070119
person.identifier.ciencia-idC31B-F85B-9008
person.identifier.ciencia-idCE18-7090-9C5E
person.identifier.ciencia-id2216-9200-7EF6
person.identifier.ciencia-idA018-2B24-C597
person.identifier.orcid0000-0002-1484-1893
person.identifier.orcid0000-0001-5018-6905
person.identifier.orcid0000-0001-9528-1463
person.identifier.orcid0000-0003-4310-7652
person.identifier.orcid0000-0002-7394-7604
person.identifier.ridC-7138-2019
person.identifier.ridB-4018-2017
person.identifier.scopus-author-id24482045400
person.identifier.scopus-author-id55950021600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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