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Force irradiation effects during upper limb diagonal exercises on contralateral muscle activation

2015Journal article Open access
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dc.contributor.authorAbreu, Rosa
dc.contributor.authorLopes, Alfredo
dc.contributor.authorPinheiro De Sousa, Andreia Sofia
dc.contributor.authorPereira, Soraia
dc.contributor.authorCastro, Marcelo P.
dc.date.accessioned2019-06-12T17:01:50Z
dc.date.available2019-06-12T17:01:50Z
dc.date.issued2015
dc.description.abstractThe aim of this study was to explore the force irradiation effects of upper limb isometric diagonal exercises on shoulder muscle activities. Interactions among diagonal directions, contraction intensities (moderate and maximum) and sex were assessed. Thirty healthy subjects (11 males) performed isometric unilateral diagonal exercises based on proprioceptive neuromuscular facilitation technique in an isokinetic dynamometer with their dominant upper limbs. The second diagonal for flexion and for extension were assessed while the participants performed their maximum isometric torque (MIT) and at 25% of their MIT. During the exercise the muscle activity of the medial deltoid, pectoralis major and upper trapezius in the non-dominant (non-exercised) upper limbs of the participants was recorded by surface electromyography. The highest muscle activity occurred in the upper trapezius during the diagonal for flexion (27% of maximum isometric voluntary contractions). Upper trapezius and pectoralis major were more active during the diagonal for flexion than diagonal for extension (p < 0.001), while similar values between both diagonals were observed for the medial deltoid (p > 0.05). In conclusion, we observed that force irradiation during upper limb diagonal exercises is affected by diagonal direction, contraction intensity and sex when performed by healthy participants.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.jelekin.2014.12.004pt_PT
dc.identifier.issn1050-6411
dc.identifier.urihttp://hdl.handle.net/10400.22/13978
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S1050641114002491?via%3Dihubpt_PT
dc.subjectProprioceptive neuromuscular facilitationpt_PT
dc.subjectCross-Sectional Studiespt_PT
dc.subjectElectromyographypt_PT
dc.subjectContralateral muscle activitypt_PT
dc.subjectIsometric Contractionpt_PT
dc.subjectTept_PT
dc.subjectUpper Extremitypt_PT
dc.titleForce irradiation effects during upper limb diagonal exercises on contralateral muscle activationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage297pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage292pt_PT
oaire.citation.titleJournal of Electro - myography and Kinesiologypt_PT
oaire.citation.volume25pt_PT
person.familyNameLopes
person.familyNamePinheiro de Sousa
person.familyNamePereira
person.givenNameAlfredo
person.givenNameAndreia Sofia
person.givenNameSoraia
person.identifier1070119
person.identifier.ciencia-id2216-9200-7EF6
person.identifier.orcid0000-0003-4908-1326
person.identifier.orcid0000-0001-9528-1463
person.identifier.orcid0000-0001-7955-1398
person.identifier.ridB-1548-2016
person.identifier.ridC-7138-2019
person.identifier.scopus-author-id55950021600
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationafe64921-ca72-481b-8b98-6b0e217651a2
relation.isAuthorOfPublicationaeecfe02-e80d-49ab-9033-a1ade15658f2
relation.isAuthorOfPublication2d7fbb21-3d95-464e-ad9e-1f74a0370038
relation.isAuthorOfPublication.latestForDiscoveryaeecfe02-e80d-49ab-9033-a1ade15658f2

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