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Forward trunk lean with arm support affects the activity of accessory respiratory muscles and thoracoabdominal movement in healthy individuals

2018Journal article Open access
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dc.contributor.authorMesquita Montes, António
dc.contributor.authorTam, Carolina
dc.contributor.authorCrasto, Carlos
dc.contributor.authorMelo, Cristina
dc.contributor.authorCarvalho, Paulo
dc.contributor.authorSantos, Rita
dc.contributor.authorVilarinho, Rui
dc.contributor.authorVilas-Boas, João Paulo
dc.date.accessioned2019-06-12T16:43:47Z
dc.date.available2022-05-02T00:30:46Z
dc.date.issued2018
dc.description.abstractDespite the reported benefits of postures involving leaning the trunk forward with arm support for relieving dyspnea, how those postures influence the mechanics of breathing remains unclear. In response, the aim of the study reported here was to evaluate how posture (i.e., standing and sitting) and leaning the trunk forward with arm support affect the activity of accessory respiratory muscles and thoracoabdominal movement in healthy individuals. Thirty-five volunteers (15 males and 20 females) aged 18-29 years breathed with the same rhythm in standing and sitting positions while upright and while leaning the trunk forward with arm support. Surface electromyography was performed to assess the activity of accessory inspiratory (i.e., during inspiration) and abdominal (i.e., during inspiration and expiration) muscles, and a motion capture system was used to assess thoracoabdominal movement. Results revealed that upper trapezius activity was significantly lower in forward-leaning postures than in upright ones (P = 005; ηp2 = 0.311), although the activity of the sternocleidomastoideus and scalenus (P < 0.001; ηp2 = 0.427-0.529), along with the anterior-to-posterior movement of the upper ribcage (P < 0.001; ηp2 = 0.546), were significantly greater in forward-leaning postures than in upright ones. The activity of the external oblique and transversus abdominis/internal oblique was significantly lower in sitting than in standing postures (P < 0.050; ηp2 = 0.206-0.641), and though the activity of the transversus abdominis/internal oblique was significantly lower in forward-leaning than in upright postures (P ≤ 0.001; ηp2 = 0.330-0.541), a significantly greater anterior-to-posterior movement of the abdomen was observed (P < 0.001; ηp2 = 0.662). However, the magnitude of the lower ribcage's medial-to-lateral movement was significantly lower in forward-leaning than in upright postures (P = 0.039; ηp2 = 0.149). Leaning the trunk forward with arm support not only increased the use of accessory inspiratory muscles but also decreased the use of the transversus abdominis/internal oblique, which improved thoracoabdominal movement.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMesquita Montes, A., Tam, C., Crasto, C., Melo, C., Carvalho, P., Santos, R., Vilarinho, R., & Vilas-Boas, J. P. (2018). Forward trunk lean with arm support affects the activity of accessory respiratory muscles and thoracoabdominal movement in healthy individuals. Human Movement Science, 61, 167–176. https://doi.org/10.1016/j.humov.2018.07.011
dc.identifier.doi10.1016/j.humov.2018.07.011pt_PT
dc.identifier.issn0167-9457
dc.identifier.urihttp://hdl.handle.net/10400.22/13976
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0167945716302172?via%3Dihubpt_PT
dc.subjectAbdominal Musclespt_PT
dc.subjectTripod positionpt_PT
dc.subjectElectromyographypt_PT
dc.subjectMovementpt_PT
dc.subjectPosturept_PT
dc.subjectRespirationpt_PT
dc.subjectRespiratory Musclespt_PT
dc.subjectSuperficial Back Musclespt_PT
dc.subjectTorsopt_PT
dc.titleForward trunk lean with arm support affects the activity of accessory respiratory muscles and thoracoabdominal movement in healthy individualspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage176pt_PT
oaire.citation.startPage167pt_PT
oaire.citation.titleHuman Movement Sciencept_PT
oaire.citation.volume61pt_PT
person.familyNameMesquita Montes
person.familyNameCrasto
person.familyNameMelo
person.familyNameCarvalho
person.familyNameSantos
person.familyNameVilarinho
person.givenNameAntónio
person.givenNameCarlos
person.givenNameCristina
person.givenNamePaulo
person.givenNameRita
person.givenNameRui
person.identifier1542485
person.identifier1429505
person.identifier.ciencia-id9D19-1431-DA3E
person.identifier.ciencia-id0117-BAC4-038F
person.identifier.ciencia-idD314-7D17-7859
person.identifier.ciencia-id4318-59C3-5AA4
person.identifier.ciencia-idD711-9AB4-70AE
person.identifier.orcid0000-0003-2777-8050
person.identifier.orcid0000-0003-4279-4235
person.identifier.orcid0000-0003-2829-4744
person.identifier.orcid0000-0002-0133-3929
person.identifier.orcid0000-0002-7489-1411
person.identifier.orcid0000-0002-4422-8440
person.identifier.scopus-author-id57190182435
person.identifier.scopus-author-id55749731500
person.identifier.scopus-author-id57213681595
person.identifier.scopus-author-id57190185327
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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