Scapulothoracic kinematic pattern in the shoulder pain and scapular dyskinesis: A principal component analysis approach

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dc.creatorDenise Martineli Rossi
dc.creatorRenan Alves Resende
dc.creatorSergio Teixeira da Fonseca
dc.creatorAnamaria Siriani de Oliveira
dc.date.accessioned2022-12-23T14:25:01Z
dc.date.accessioned2025-09-08T22:57:25Z
dc.date.available2022-12-23T14:25:01Z
dc.date.issued2018-08
dc.description.sponsorshipFAPESP - Fundação de Amparo à Pesquisa do Estado de São Paulo
dc.identifier.doihttps://doi.org/10.1016/j.jbiomech.2018.07.010
dc.identifier.issn1873-2380
dc.identifier.urihttps://hdl.handle.net/1843/48423
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of biomechanics
dc.rightsAcesso Restrito
dc.subjectDiscinesias
dc.subjectDor de ombro
dc.subjectCinemática
dc.subject.otherScapulothoracic
dc.subject.otherScapular dyskinesis
dc.subject.otherPrincipal component analysis
dc.subject.otherShoulder pain
dc.subject.otherKinematics
dc.titleScapulothoracic kinematic pattern in the shoulder pain and scapular dyskinesis: A principal component analysis approach
dc.typeArtigo de periódico
local.citation.epage145
local.citation.spage138
local.citation.volume77
local.description.resumoThe relationship between shoulder pain and scapular dyskinesis (SDK) is unclear. Differences between groups with and without SDK have been demonstrated, focusing on the amount of scapular motion at specific degrees of humeral elevation. However, this approach does not consider the temporal information and shape of the scapular motion temporal series. Principal Component Analysis (PCA) may clarify this variability and advance current understanding of ‘abnormal’ movement patterns. This study aimed to evaluate the scapular kinematics in patients with shoulder pain and in asymptomatic participants with and without SDK using PCA. Data were collected in 98 participants separated in four groups: Pain + SDK (n = 24), Pain (n = 25), No Pain + SDK (n = 24), and No Pain (n = 25). Scapulothoracic kinematic data were measured with an electromagnetic tracking device during arm elevation and lowering phases. PCA and analysis of variance were used to compare the groups. The No Pain + SDK group had a progressive increasing in anterior tilt over the elevation phase compared to the Pain (effect size = 0.79) and No Pain (effect size = 0.80) groups. During the arm-lowering, the Pain + SDK group had a progressive increasing in anterior tilt over this phase in comparison to the No Pain + SDK group (effect size = 0.68). Therefore, PCA demonstrated differences in the scapular anterior tilt related to SDK and shoulder pain. The presence of SDK revealed a scapular pattern with progressive increasing in anterior tilt over the elevation phase. However, during the arm-lowering phase, asymptomatic participants with SDK changed their motion pattern, unlike the symptomatic group, reinforcing the suggested association between scapular modifications and shoulder symptoms.
local.identifier.orcidhttps://orcid.org/0000-0003-0037-3387
local.identifier.orcidhttps://orcid.org/0000-0002-1609-3278
local.identifier.orcidhttps://orcid.org/0000-0002-2979-8744
local.identifier.orcidhttps://orcid.org/0000-0001-5854-0016
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE FISIOTERAPIA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S0021929018305116?via%3Dihub

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