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Cross-cultural adaptation, validity and reliability of the European Portuguese Version of the Kerlan-Jobe Orthopaedic Clinic Shoulder & Elbow Score (KJOC)

2025-11-26Artigo de investigação Acesso aberto
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dc.contributor.authorAlmeida, Gonçalo
dc.contributor.authorAmaral, Luísa
dc.contributor.authorVilarinho, Rui
dc.contributor.authorMagalhães, Bárbara
dc.contributor.authorSilva, Fátima
dc.contributor.authorAbreu, Verónica
dc.contributor.authorMagalhães, André
dc.contributor.authorEsteves, Mário
dc.contributor.authorCervaens, Mariana
dc.contributor.authorVilarinho, Rui
dc.date.accessioned2026-01-28T10:45:40Z
dc.date.available2026-01-28T10:45:40Z
dc.date.issued2025-11-26
dc.description.abstractThe Kerlan-Jobe Orthopaedic Clinic Shoulder & Elbow Score (KJOC) is used to identify dysfunctions and estimate injury risk in overhead sports athletes. Although it has been validated in several countries, a European Portuguese version is currently unavailable. This study aimed to translate, culturally adapt and assess psychometric properties (validity and reliability) of the European Portuguese KJOC (KJOC-PT). The KJOC-PT was translated and culturally adapted according to international guidelines. One hundred athletes were selected (median age 24 [IQR 17] years, 72% male) and divided into two groups: asymptomatic and symptomatic athletes. The convergent validity was assessed by correlating the KJOC-PT with the Disabilities of the Arm, Shoulder and Hand (DASH) and DASH-Sports. 31 athletes from the initial sample were considered to assess between-day reliability and agreement (Bland-Altman analysis). Floor and ceiling effects were also calculated. Sampling adequacy was assessed using the Kaiser Meyer-Olkin (KMO) test. Minor cultural and linguistic changes were made in the KJOC-PT. This version demonstrated excellent internal consistency (Cronbach’s α = 0.91 to 0.97) and moderate negative correlations for validity (KJOC-PT with DASH, rho = −0.595; with DASH-Sports, rho = −0.533, both p < 0.001). Good reliability (ICC2,1 = 0.77 to 0.89 [95%CI 0.36 to 0.96]), measurement error (SEM = 4.11 to 6.90; MDC = 11.39 to 19.13) and mean difference ranging from −0.08 ± 6.14 to 3 ± 9.17 were found. No floor effect (0%) and ceiling effects of 24.2% for the total sample (50% for asymptomatic and 5.1% for symptomatic athletes) were found. KJOC-PT is now available and is a valid and reliable instrument for use by athletes in overhead sports.eng
dc.identifier.citationAlmeida, G., Amaral, L., Vilarinho, R., Magalhães, B., Silva, F., Abreu, V., Magalhães, A., Esteves, M., & Cervaens, M. (2025). Cross-cultural adaptation, validity and reliability of the European Portuguese Version of the Kerlan-Jobe Orthopaedic Clinic Shoulder & Elbow Score (KJOC). Healthcare, 13(23), 3081. https://doi.org/10.3390/healthcare13233081
dc.identifier.doi10.3390/healthcare13233081
dc.identifier.eissn2227-9032
dc.identifier.urihttp://hdl.handle.net/10400.22/31738
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relation.hasversionhttps://www.mdpi.com/2227-9032/13/23/3081
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectOverhead athletes
dc.subjectKerlan-Jobe Orthopaedic Clinic Shoulder & Elbow Score
dc.subjectTranslation
dc.subjectCross-cultural adaptation
dc.subjectValidity
dc.subjectReliability
dc.subjectEuropean Portuguese version
dc.titleCross-cultural adaptation, validity and reliability of the European Portuguese Version of the Kerlan-Jobe Orthopaedic Clinic Shoulder & Elbow Score (KJOC)eng
dc.typeresearch article
dspace.entity.typePublication
oaire.citation.issue23
oaire.citation.titleHealthcare
oaire.citation.volume13
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameVilarinho
person.givenNameRui
person.identifier1429505
person.identifier.ciencia-idD711-9AB4-70AE
person.identifier.orcid0000-0002-4422-8440
relation.isAuthorOfPublication04db8c5d-9644-460d-b318-dbad791becbd
relation.isAuthorOfPublication.latestForDiscovery04db8c5d-9644-460d-b318-dbad791becbd

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