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Antagonist coactivation of muscles of ankle and thigh in post-stroke vs. healthy subjects during sit-to-stand task

2023-11-21Journal article Open access
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dc.contributor.authorPinho, Liliana
dc.contributor.authorSousa, Andreia S. P.
dc.contributor.authorSilva, Cláudia
dc.contributor.authorCunha, Christine
dc.contributor.authorSantos, Rubim
dc.contributor.authorTavares, João Manuel R. S.
dc.contributor.authorPereira, Soraia
dc.contributor.authorPinheiro, Ana Rita
dc.contributor.authorFélix, José
dc.contributor.authorPinho, Francisco
dc.contributor.authorSousa, Filipa
dc.contributor.authorSilva, Augusta
dc.date.accessioned2024-04-08T13:54:09Z
dc.date.available2024-04-08T13:54:09Z
dc.date.issued2023-11-21
dc.description.abstractThis study aims to analyse the coactivation of antagonist muscles of the thigh and ankle during the sit-to-stand task in post-stroke subjects, specifically during forward and antigravity sub-phases. A group of 18 healthy subjects and another with 18 subjects with a history of stroke participated voluntarily in this study. Bilateral surface electromyography (EMGs) of the soleus, gastrocnemius medialis, tibialis anterior, rectus femoris and biceps femoris muscles were collected synchronously with ground reaction forces (GRF) during the sit-to-stand task. The magnitude of electromyographic (EMG) activity was analysed during forward translation and antigravity sub-phases which were determined through GRF signals. The coactivation was calculated to quantify the degree of antagonist coactivation according to the role of the muscles during the task. Statistically significant values were found between antagonist coactivation on both sub-phases of the sit-to-stand task when comparing healthy and post-stroke subjects (healthy with ipsilesional (IPSI); healthy with contralesional (CONTRA); and healthy with IPSI and with CONTRA limbs) in all muscle pairs analysed (p < 0.01), except on thigh muscles (p > 0.05), in the antigravity sub-phase. When comparing IPSI with CONTRA sides in post-stroke subjects, no statistically significant differences were found. Increased values of antagonist coactivation were observed in post-stroke subjects compared to healthy subjects (both IPSI and CONTRA limb) in the two sub-phases analysed. The forward sub-phase CONTRA limb showed higher antagonist coactivation compared to IPSI, while in the antigravity sub-phase, IPSI antagonist coactivation was higher than in the CONTRA. In conclusion, post-stroke subjects presented an antagonist coactivation more dysfunctional at the ankle joint muscles compared to the thigh segment. So, it seems that the distal segment could express more accurately the central nervous system dysfunction in post-stroke subjects, despite the need for further studies to achieve a better spatiotemporal understanding of the variability on coactivation levels.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPinho, L., Sousa, A. S. P., Silva, C., Cunha, C., Santos, R., Tavares, J. M. R. S., Pereira, S., Pinheiro, A. R., Félix, J., Pinho, F., Sousa, F., & Silva, A. (2023). Antagonist coactivation of muscles of ankle and thigh in post-stroke vs. Healthy subjects during sit-to-stand task. Applied Sciences, 13(23), Artigo 23. https://doi.org/10.3390/app132312565pt_PT
dc.identifier.doi10.3390/app132312565pt_PT
dc.identifier.eissn2076-3417
dc.identifier.urihttp://hdl.handle.net/10400.22/25299
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationThis research was funded by the Fundação para a Ciência e Tecnologia (FCT) through R&D Units funding of Center for Rehabilitation Research UIDB/05210/2020] and Research Unit Instituto de Biomedicina da Universidade de Aveiro (iBiMED) [UIDB/4501/2020 and UIDP/4501/2020].pt_PT
dc.relation.publisherversionhttps://www.mdpi.com/2076-3417/13/23/12565pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectStrokept_PT
dc.subjectElectromyographypt_PT
dc.subjectAntagonist coactivationpt_PT
dc.subjectPostural controlpt_PT
dc.subjectPostural tonept_PT
dc.titleAntagonist coactivation of muscles of ankle and thigh in post-stroke vs. healthy subjects during sit-to-stand taskpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage9pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleApplied Sciencespt_PT
oaire.citation.volume13(23)pt_PT
person.familyNamePinheiro de Sousa
person.familyNameSilva
person.familyNameRubim Silva Santos
person.familyNameSousa Félix
person.familyNameFerreira Silva
person.givenNameAndreia Sofia
person.givenNameCláudia
person.givenNameManuel
person.givenNameJosé Manuel
person.givenNameMaria Augusta
person.identifier1070119
person.identifier2061639
person.identifier1087589
person.identifier.ciencia-id2216-9200-7EF6
person.identifier.ciencia-idC31B-F85B-9008
person.identifier.ciencia-idA018-2B24-C597
person.identifier.ciencia-id9211-F885-D21C
person.identifier.ciencia-idCE18-7090-9C5E
person.identifier.orcid0000-0001-9528-1463
person.identifier.orcid0000-0002-1484-1893
person.identifier.orcid0000-0002-7394-7604
person.identifier.orcid0000-0003-4498-573X
person.identifier.orcid0000-0001-5018-6905
person.identifier.ridC-7138-2019
person.identifier.scopus-author-id55950021600
person.identifier.scopus-author-id24482045400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationaeecfe02-e80d-49ab-9033-a1ade15658f2
relation.isAuthorOfPublication605d47b4-c8d5-4cb6-a7c0-094120dac221
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relation.isAuthorOfPublication.latestForDiscovery605d47b4-c8d5-4cb6-a7c0-094120dac221

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