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Differences in trapezius muscle h-reflex between asymptomatic subjects and symptomatic shoulder pain subjects

dc.contributor.authorMelo, Ana
dc.contributor.authorTaylor, Janet L.
dc.contributor.authorFerreira, Ricardo
dc.contributor.authorCUNHA, BRUNO
dc.contributor.authorAscenção, Manuel
dc.contributor.authorSousa, Vítor
dc.contributor.authorCruz, Eduardo B.
dc.contributor.authorVilas-Boas, J. Paulo
dc.contributor.authorSousa, Andreia S. P.
dc.date.accessioned2023-09-07T15:56:55Z
dc.date.available2023-09-07T15:56:55Z
dc.date.issued2023-04-23
dc.description.abstractIn chronic shoulder pain, adaptations in the nervous system such as in motoneuron excitability, could contribute to impairments in scapular muscles, perpetuation and recurrence of pain and reduced improvements during rehabilitation. The present cross-sectional study aims to compare trapezius neural excitability between symptomatic and asymptomatic subjects. In 12 participants with chronic shoulder pain (symptomatic group) and 12 without shoulder pain (asymptomatic group), the H reflex was evoked in all trapezius muscle parts, through C3/4 nerve stimulation, and the M-wave through accessory nerve stimulation. The current intensity to evoke the maximum H reflex, the latency and the maximum peak-to-peak amplitude of both the H reflex and M-wave, as well as the ratio between these two variables, were calculated. The percentage of responses was considered. Overall, M-waves were elicited in most participants, while the H reflex was elicited only in 58–75% or in 42–58% of the asymptomatic and symptomatic participants, respectively. A comparison between groups revealed that the symptomatic group presented a smaller maximum H reflex as a percentage of M-wave from upper trapezius and longer maximal H reflex latency from the lower trapezius (p < 0.05). Subjects with chronic shoulder pain present changes in trapezius H reflex parameters, highlighting the need to consider trapezius neuromuscular control in these individuals’ rehabilitation.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMelo, A. S. C., Taylor, J. L., Ferreira, R., Cunha, B., Ascenção, M., Fernandes, M., Sousa, V., Cruz, E. B., Vilas-Boas, J. P., & Sousa, A. S. P. (2023). Differences in Trapezius Muscle H-Reflex between Asymptomatic Subjects and Symptomatic Shoulder Pain Subjects. Sensors, 23(9), 4217. https://doi.org/10.3390/s23094217pt_PT
dc.identifier.doi10.3390/s23094217pt_PT
dc.identifier.eissn1424-8220
dc.identifier.urihttp://hdl.handle.net/10400.22/23476
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttps://www.mdpi.com/1424-8220/23/9/4217pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectShoulder painpt_PT
dc.subjectHoffmann reflexpt_PT
dc.subjectMotoneuron recruitmentpt_PT
dc.subjectTrapezius musclept_PT
dc.subjectScapular stabilitypt_PT
dc.subjectFeedback mechanismspt_PT
dc.titleDifferences in trapezius muscle h-reflex between asymptomatic subjects and symptomatic shoulder pain subjectspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage17pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleSensorspt_PT
oaire.citation.volume23(9)pt_PT
person.familyNameMelo
person.familyNameFerreira
person.familyNameAlmeida Cunha
person.familyNameCruz
person.familyNamePinheiro de Sousa
person.givenNameAna
person.givenNameRicardo
person.givenNameBruno Miguel
person.givenNameEduardo
person.givenNameAndreia Sofia
person.identifiernORyaXwAAAAJ
person.identifier622387
person.identifier1070119
person.identifier.ciencia-idA21A-8BEC-7504
person.identifier.ciencia-id7D15-0D86-2DCD
person.identifier.ciencia-id581D-067C-6E6C
person.identifier.ciencia-idE519-780A-FBB9
person.identifier.ciencia-id2216-9200-7EF6
person.identifier.orcid0000-0001-7001-0157
person.identifier.orcid0000-0003-0494-6752
person.identifier.orcid0000-0002-8661-3080
person.identifier.orcid0000-0003-1812-1815
person.identifier.orcid0000-0001-9528-1463
person.identifier.ridL-5577-2017
person.identifier.ridC-7138-2019
person.identifier.scopus-author-id55810322400
person.identifier.scopus-author-id56404142800
person.identifier.scopus-author-id55036142300
person.identifier.scopus-author-id55950021600
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscovery6bae1a78-db52-4124-b1be-5f4fa27e6929

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