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Activation timing of soleus and tibialis anterior muscles during sit-to-stand and stand to sit in post-stroke vs healthy subjects

2013Journal article Open access
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dc.contributor.authorAugusta Silva
dc.contributor.authorSantos, Rubim
dc.contributor.authorPinheiro De Sousa, Andreia Sofia
dc.contributor.authorPinheiro, Ana Rita
dc.contributor.authorFerraz, Joana
dc.contributor.authorTavares, João Manuel
dc.contributor.authorSousa, Filipa
dc.date.accessioned2013-04-11T14:34:23Z
dc.date.available2013-04-11T14:34:23Z
dc.date.issued2013
dc.descriptionO documento em anexo encontra-se na versão post-print (versão corrigida pelo editor).
dc.description.abstractSit-to-stand (SitTS) and stand-to-sit (StandTS) are very important functional tasks that become compromised in stroke patients. As in other voluntary movements, they require an adequate postural control (PC) involving the generation of anticipatory postural adjustments (APAs). In order to give clues for more efficient and directed rehabilitation programs, a deeper knowledge about APAs during challenging and daily life movements is essential. To analyze the activation timing of tibialis anterior (TA) and soleus (SOL) muscles during SitTS and StandTS in healthy subjects and in post-stroke patients. Methods: Two groups participated in this study: one composed by ten healthy subjects and the other by ten subjects with history of stroke and increased H-reflex. Electromyographic activity (EMGa) of SOL and TA was analyzed during SitTS and StandTS in the ipsilateral (IPSI) and the contralateral (CONTRA) limb to the side lesion in stroke subjects, and in one limb in the healthy subjects. A force plate was used to identify the movement onset. In both sequences, in the stroke group SOL activation timing occurred prior to movement onset, contrary to the pattern observed in the healthy subjects. Statistical significant differences were found in SOL activation timings between each lower limbs of the stroke and healthy groups, but no significant differences were found between the IPSI and the CONTRA limb. The TA activation timing seems to be delayed in the CONTRA limb when compared to the healthy subjects and showed also a better organization of TA timing activation in StandTS when compared to SitTS. Compared to healthy subjects, APAs seems to be altered in both limbs of the post-stroke subjects, with the SOL activation timing being anticipated in both SitTS and StandTS.por
dc.identifier.citationSilva, A., Sousa, A. S. P., Pinheiro, R., Ferraz, J., Tavares, J. M. R. S., Santos, R., & Sousa, F. (2013). Activation timing of soleus and tibialis anterior muscles during sit-to-stand and stand-to-sit in post-stroke vs. Healthy subjects. Somatosensory & Motor Research, 30(1), 48–55. https://doi.org/10.3109/08990220.2012.754755
dc.identifier.doi10.3109/08990220.2012.754755pt_PT
dc.identifier.issn0899-0220
dc.identifier.issn1369-1651
dc.identifier.urihttp://hdl.handle.net/10400.22/1247
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherInforma Healthcarepor
dc.relation.ispartofseriesSomatosensory and Motor Research; Vol. 30, Nº 1
dc.relation.publisherversionhttp://informahealthcare.com/doi/abs/10.3109/08990220.2012.754755
dc.subjectSit-to-standpor
dc.titleActivation timing of soleus and tibialis anterior muscles during sit-to-stand and stand to sit in post-stroke vs healthy subjectspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage55por
oaire.citation.issueNº 1
oaire.citation.startPage48por
oaire.citation.titleSomatosensory and Motor Research
oaire.citation.volumeVol. 30por
person.familyNameFerreira Silva
person.familyNameRubim Silva Santos
person.familyNamePinheiro de Sousa
person.familyNamePinheiro
person.givenNameMaria Augusta
person.givenNameManuel
person.givenNameAndreia Sofia
person.givenNameAna Rita
person.identifier1087589
person.identifier1070119
person.identifier.ciencia-idCE18-7090-9C5E
person.identifier.ciencia-idA018-2B24-C597
person.identifier.ciencia-id2216-9200-7EF6
person.identifier.orcid0000-0001-5018-6905
person.identifier.orcid0000-0002-7394-7604
person.identifier.orcid0000-0001-9528-1463
person.identifier.orcid0000-0003-4310-7652
person.identifier.ridC-7138-2019
person.identifier.ridB-4018-2017
person.identifier.scopus-author-id24482045400
person.identifier.scopus-author-id55950021600
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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relation.isAuthorOfPublicationa99bce31-2fe7-4e36-af87-32d684d22ce0
relation.isAuthorOfPublication.latestForDiscoverya99bce31-2fe7-4e36-af87-32d684d22ce0

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