Intratherapist reliability in the rating of scapula posture in multiple planes of reference

McPhail, Steven M., Dalland, Lars Nagelstad, Naess, Kaja, Lund, Marte, Ytre-Hauge, Tore Johan, Holm, Sigrid Reiersen, & O'Leary, Shaun (2012) Intratherapist reliability in the rating of scapula posture in multiple planes of reference. ISRN Rehabilitation, 2012, pp. 1-8.

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Abstract

Background: Evaluation of scapular posture is a fundamental component in the clinical evaluation of the upper quadrant. This study examined the intrarater reliability of scapular posture ratings.

Methods: A test-retest reliability investigation was undertaken with one week between assessment sessions. At each session physical therapists conducted visual assessments of scapula posture (relative to the thorax) in five different scapula postural planes (plane of scapula, sagittal plane, transverse plane, horizontal plane, and vertical plane). These five plane ratings were performed for four different scapular posture perturbating conditions (rest, isometric shoulder; flexion, abduction, and external rotation). Results. A total of 100 complete scapular posture ratings (50 left, 50 right) were undertaken at each assessment. The observed agreement between the test and retest postural plane ratings ranged from 59% to 87%; 16 of the 20 plane-condition combinations exceeded 75% observed agreement. Kappa (and prevalence adjusted bias adjusted kappa) values were inconsistent across the postural planes and perturbating conditions.

Conclusions: This investigation generally revealed fair to moderate intrarater reliability in the rating of scapular posture by visual inspection. However, enough disagreement between assessments was present to warrant caution when interpreting perceived changes in scapula position between longitudinal assessments using visual inspection alone.

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ID Code: 56613
Item Type: Journal Article
Refereed: Yes
Keywords: Reliability, Scapula, Agreement, Assessment, Intra-rater, test-retest
DOI: 10.5402/2012/957389
ISSN: 2090-6137
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Orthopaedics (110314)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Physiotherapy (110317)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Public Health and Health Services not elsewhere classified (111799)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Public Health & Social Work
Copyright Owner: Copyright 2012 Steven M. McPhail et al.
Deposited On: 24 Jan 2013 05:01
Last Modified: 25 Jan 2013 00:02

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