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The Influence of a Cognitive Task on the Postural Phase of Gait Initiation in Parkinson’s Disease: An Electromyographic Based Analysis

2016Journal article Open access
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dc.contributor.authorFernandes, Ângela
dc.contributor.authorPinheiro De Sousa, Andreia Sofia
dc.contributor.authorRocha, Nuno
dc.contributor.authorTavares, João Manuel R. S.
dc.date.accessioned2017-01-26T16:38:53Z
dc.date.available2017-01-26T16:38:53Z
dc.date.issued2016
dc.description.abstractThe aim of this study was to compare postural control strategies during gait initiation in single- and dual-task conditions in individuals in early stages of Parkinson´s Disease (PD). The activation timing of tibialis anterior occurred significantly later in the individuals with PD than in the controls (p=0.05), and a significant interaction between the groups, conditions and limbs was found (p=0.027). Differences between the single- and dual-task conditions were observed for the activation timing of the tibialis anterior (p=0.042) and for the magnitude of soleus (p=0.007), with lower values for the dual-task condition. Furthermore, not all the individuals followed the previously reported pattern of soleus inhibition followed by tibialis anterior activation. The duration of the mediolateral displacement of the centre of pressure was longer in the individuals with PD than in the controls (p=0.019). The anticipatory postural adjustments during gait initiation are impaired in PD and are expressed by an activation failure of tibialis anterior in both single- and dual-task conditions. Hence, it is important that during rehabilitation, intervention should concentrate on the TA.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFernandes, A., Sousa, A. S. P., Rocha, N., & Tavares, J. M. R. S. (2017). The Influence of a Cognitive Task on the Postural Phase of Gait Initiation in Parkinson’s Disease: An Electromyographic-Based Analysis. Motor Control, 21(3), 249–264.
dc.identifier.doi10.1123/mc.2015-0032pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/9458
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherHuman Kineticspt_PT
dc.subjectDual-taskpt_PT
dc.subjectPostural controlpt_PT
dc.subjectSoleus and tibialis anterior musclespt_PT
dc.subjectPatterns of activitypt_PT
dc.titleThe Influence of a Cognitive Task on the Postural Phase of Gait Initiation in Parkinson’s Disease: An Electromyographic Based Analysispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage28pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleMotor Controlpt_PT
person.familyNameFernandes
person.familyNamePinheiro de Sousa
person.familyNameRocha
person.givenNameÂngela
person.givenNameAndreia Sofia
person.givenNameNuno
person.identifier1070119
person.identifier192266
person.identifier.ciencia-id2216-9200-7EF6
person.identifier.ciencia-idAE16-A494-5F8B
person.identifier.orcid0000-0002-3882-4908
person.identifier.orcid0000-0001-9528-1463
person.identifier.orcid0000-0002-3139-2786
person.identifier.ridC-7138-2019
person.identifier.ridM-9821-2013
person.identifier.scopus-author-id55950021600
person.identifier.scopus-author-id32867975300
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication82911dfb-0180-4fe0-8266-9a272bfa6858
relation.isAuthorOfPublicationaeecfe02-e80d-49ab-9033-a1ade15658f2
relation.isAuthorOfPublication9e940914-601a-4978-8d5b-74e5ade7ada7
relation.isAuthorOfPublication.latestForDiscovery82911dfb-0180-4fe0-8266-9a272bfa6858

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