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Disrupted corticomuscular coherence and force steadiness during acute low back pain

2025-11-19Research article Open access
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dc.contributor.authorParolini, Franciele
dc.contributor.authorBecker, Klaus
dc.contributor.authorErvilha, Ulysses F.
dc.contributor.authorSantos, Rubim
dc.contributor.authorVilas-Boas, João Paulo
dc.contributor.authorGoethel, Márcio Fagundes
dc.contributor.authorRubim Silva Santos, Manuel
dc.contributor.authorCarvalho Santos Parolini, Franciele
dc.date.accessioned2025-11-21T16:37:11Z
dc.date.available2025-11-21T16:37:11Z
dc.date.issued2025-11-19
dc.description.abstractAcute low back pain can impair motor control, yet its effects on force steadiness and cortical activity remain unclear. Thirty-three healthy adults (25 men, 8 women) performed a sustained spinal extension task at 20% of their maximum voluntary contraction under pre- and during-pain conditions induced by a hypertonic saline injection, as well as pre- and post-isotonic injection. Electromyography was recorded from the right and left longissimus muscles, and electroencephalography was collected from motor cortical areas. Spectral power in the alpha, beta, and gamma bands, along with corticomuscular and cortico-cortical coherence, was analyzed. Acute pain reduced force steadiness and altered cortical activity, with increased beta and gamma band power in the prefrontal cortex and decreased alpha power in the motor cortex. Localized changes in corticomuscular coherence were observed in the Cz region (beta and gamma bands) during pain, suggesting nociceptive modulation of corticomuscular coupling. Experimentally induced acute low back pain disrupts motor control by reducing force steadiness and modifying cortical activation patterns, highlighting the interplay between pain and neuromuscular regulation.por
dc.identifier.citationParolini, F., Becker, K., Ervilha, U. F., Santos, R., Vilas-Boas, J. P., & Goethel, M. F. (2025). Disrupted corticomuscular coherence and force steadiness during acute low back pain. Bioengineering, 12(11), 1269. https://doi.org/10.3390/bioengineering12111269
dc.identifier.doi10.3390/bioengineering12111269
dc.identifier.eissn2306-5354
dc.identifier.urihttp://hdl.handle.net/10400.22/31031
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relationUI/BD/151415/2021
dc.relation.hasversionhttps://www.mdpi.com/2306-5354/12/11/1269
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAcute induced low back pain
dc.subjectEncephalography
dc.subjectSubmaximal extensor force
dc.subjectElectromyography
dc.titleDisrupted corticomuscular coherence and force steadiness during acute low back painpor
dc.typeresearch article
dspace.entity.typePublication
oaire.citation.endPage16
oaire.citation.issue11
oaire.citation.startPage1
oaire.citation.titleBioengineering
oaire.citation.volume12
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameRubim Silva Santos
person.familyNameCarvalho Santos Parolini
person.givenNameManuel
person.givenNameFranciele
person.identifier.ciencia-idA018-2B24-C597
person.identifier.ciencia-id7A15-D089-9627
person.identifier.orcid0000-0002-7394-7604
person.identifier.orcid0000-0001-6765-6475
relation.isAuthorOfPublication0a264044-a870-4fca-b976-f7ce003d23a8
relation.isAuthorOfPublication52bcd7e1-57ed-425f-8dcf-00cceb42eb70
relation.isAuthorOfPublication.latestForDiscovery0a264044-a870-4fca-b976-f7ce003d23a8

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