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The effect of inspiratory and expiratory loads on abdominal muscle activity during breathing in subjects “at risk” for the development of chronic obstructive pulmonary disease and healthy

2017Journal article Open access
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dc.contributor.authorMesquita Montes, António
dc.contributor.authorCrasto, Carlos
dc.contributor.authorMelo, Cristina
dc.contributor.authorSantos, Rita
dc.contributor.authorPereira, Susana
dc.contributor.authorVilas-Boas, João Paulo
dc.date.accessioned2019-06-12T16:43:03Z
dc.date.available2019-06-12T16:43:03Z
dc.date.issued2017
dc.description.abstractThe abdominal muscle activity has been shown to be variable in subjects with chronic obstructive pulmonary disease (COPD) when respiratory demand increases and their recruitment pattern may change the mechanics, as well as the work and cost of breathing. The scientific evidence in subjects "at risk" for the development of COPD may be important to understand the natural history of this disease. This study aims to evaluate the effect of inspiratory and expiratory loads on the abdominal muscle activity during breathing in subjects "at risk" for the development of COPD and healthy. Thirty-one volunteers, divided in "At Risk" for COPD (n=17; 47.71±5.11years) and Healthy (n=14; 48.21±6.87years) groups, breathed at the same rhythm without load and with 10% of the maximal inspiratory or expiratory pressures, in standing. Surface electromyography was performed to assess the activation intensity of rectus abdominis (RA), external oblique and transversus abdominis/internal oblique (TrA/IO) muscles, during inspiration and expiration. During inspiration, in "At Risk" for COPD group, RA muscle activation was higher with loaded expiration (p=0.016); however, in Healthy group it was observed a higher activation of external oblique and TrA/IO muscles (p<0.050). During expiration, while in "At Risk" for COPD group, RA muscle activation was higher with loaded inspiration (p=0.009), in Healthy group TrA/IO muscle showed a higher activation (p=0.025). Subjects "at risk" for the development of COPD seemed to have a specific recruitment of the superficial layer of ventrolateral abdominal wall for the mechanics of breathing.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.jelekin.2017.03.005pt_PT
dc.identifier.issn1050-6411
dc.identifier.urihttp://hdl.handle.net/10400.22/13974
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S105064111630236Xpt_PT
dc.subjectCore abdominalpt_PT
dc.subjectBack Musclespt_PT
dc.subjectCase-Control Studiespt_PT
dc.subjectPosturept_PT
dc.subjectPulmonary Disease, Chronic Obstructivept_PT
dc.subjectRectus Abdominispt_PT
dc.subjectRespiratory Mechanicspt_PT
dc.titleThe effect of inspiratory and expiratory loads on abdominal muscle activity during breathing in subjects “at risk” for the development of chronic obstructive pulmonary disease and healthypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage57pt_PT
oaire.citation.startPage50pt_PT
oaire.citation.titleJournal of Electro - myography and Kinesiologypt_PT
oaire.citation.volume34pt_PT
person.familyNameMesquita Montes
person.familyNameMelo
person.familyNameSantos
person.givenNameAntónio
person.givenNameCristina
person.givenNameRita
person.identifier.ciencia-id9D19-1431-DA3E
person.identifier.ciencia-idD314-7D17-7859
person.identifier.orcid0000-0003-2777-8050
person.identifier.orcid0000-0003-2829-4744
person.identifier.orcid0000-0002-7489-1411
person.identifier.scopus-author-id57190182435
person.identifier.scopus-author-id55749731500
person.identifier.scopus-author-id57190185327
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationbdb9ef9c-0b90-4b92-bc1a-f00ff9f14f8f
relation.isAuthorOfPublication6d9fef46-b5d6-4b7c-a973-3fdaf6bbd58a
relation.isAuthorOfPublicationdc8879aa-fcd3-4f44-add1-3287db1ebb38
relation.isAuthorOfPublication.latestForDiscovery6d9fef46-b5d6-4b7c-a973-3fdaf6bbd58a

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