Abstract
Study Design
Prospective cohort.
Introduction
Assessment of scapular dysfunction is considered important in the clinical evaluation
and treatment of patients with symptoms of subacromial impingement. However, sparse
research has been conducted into the reliability and predictive value of clinical
tests with which to identify scapular dyskinesis.
Purpose of the Study
To evaluate intrarater and interrater reliability and predictive value of the Scapular
Dyskinesis Test (SDT) in patients with subacromial impingement syndrome.
Methods
Forty-five patients with subacromial impingement syndrome were included. The presence
of scapular dyskinesis was classified by 2 raters using the SDT. Intrarater and interrater
reliabilities were examined and compared. Patients with and without scapular dyskinesis
were compared in terms of Oxford Shoulder Score and EQ-5D-5L scores at baseline and
3 months, as well rating of overall improvement in shoulder condition.
Results
SDT could not be performed in 5 patients, leaving 40 patients for further analysis.
Kappa with squared weights was 0.64 for rater A and 0.86 for rater B; the intrarater
agreement was 88% for A and 96% for B. For interrater comparison, the Kappa value
was 0.59 and agreement 86%. No statically significant differences in Oxford Shoulder
Score and EQ-5D-5L baseline and change scores or overall improvement in shoulder condition
at 3 months were observed between patients with or without scapular dyskinesis.
Conclusions
Intrarater and interrater reliability and agreement of the SDT were determined. The
findings that functional impairment and outcomes did not differ between patients with
or without the presences of scapular dyskinesis may question the clinical value of
the SDT in patients with subacromial impingement syndrome.
Level of Evidence
1b.
Keywords
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JHT Read for Credit
Quiz: #481
Record your answers on the Return Answer Form found on the tear-out coupon at the back of this issue or to complete online and use a credit card, go to JHTReadforCredit.com. There is only one best answer for each question.
- #1.Data were based on a combination of
- a.clinical examination results and X-Rays
- b.clinical examination results and patient questionnaires
- c.therapists questionnaires and physician examinations
- d.video evaluation and manual examinations
- a.
- #2.A primary purpose of the study was to determine the
- a.role of physical therapy in the management of scapular dyskinesia
- b.role of physical therapy in evaluating scapular dyskinesia
- c.best practices for managing subacromial pain in patients demonstrating scapular dyskineasia
- d.reliability of the SDT
- a.
- #3.Clinical examination to determine the presence of scapular dyskinesia was based on the work of
- a.LaStayo
- b.MacDermid
- c.McClure
- d.Rockwood and Matsen
- a.
- #4.At baseline and at 3 months subject groups were compared using the
- a.DASH
- b.OSS and EQ-5D-5L
- c.McClure scapular evaluation technique
- d.PSHET
- a.
- #5.The authors suggest there is insufficient evidence that the SDT is of significant clinical value in assessing the role of scapular dyskinesia in subacromial pathology
- a.true
- b.false
- a.
When submitting to the HTCC for re-certification, please batch your JHT RFC certificates in groups of 3 or more to get full credit.
Article info
Publication history
Published online: May 29, 2017
Accepted:
April 21,
2017
Received in revised form:
April 21,
2017
Received:
December 8,
2016
Footnotes
Conflict of interest: All named authors hereby declare that they have no conflicts of interest to disclose.
Identification
Copyright
© 2017 Hanley & Belfus, an imprint of Elsevier Inc. All rights reserved.
