Scapular dyskinesis among patients with shoulder Dysfunction – A Cross Sectional study
Keywords:
Scapular dyskinesis, shoulder dysfunction, SPADI, frozen shoulder, LSST.Abstract
Background: Scapula plays a vital role in a closed chain mechanism by being stable for coordinated muscle activation and functioning as a link in the kinetic chain. Scapular dyskinesis alters scapular resting position and dynamic motion due to various causes like bony or soft tissue injury and weakness or inflexibility. So this study was carried out to determine the prevalence of scapular dyskinesis and study the association of scapular dyskinesis with shoulder pain and disability among patients with shoulder dysfunction. Procedure: This Cross-Sectional study was carried out in 55 patients with unilateral shoulder dysfunction. The outcome measures were the Lateral scapular slide test and shoulder pain and disability index questionnaire. Result: Scapular dyskinesis was measured in patients with shoulder dysfunction with age 49± 6.92 and duration of symptoms was 2.72 ± 1. 83 months. The prevalence rate of scapular dyskinesis was at 0 degrees, 45 degree and 90 degrees of shoulder abduction 5.45 %, 12.72% and 18.18 %, respectively. Conclusion: Prevalence of scapular dyskinesis at 0 degrees, 45 degrees and 90 degrees of shoulder abduction 5.45%, 12.72% and 18.18%, respectively, shoulder pain and disability was not directly linked with scapular dyskinesis. This suggests that shoulder pain and disability may not always be associated with shoulder dysfunction; it may also be due to other factors like thoracic vertebral dysfunction, serratus anterior muscle weakness, rhomboid or muscle weakness, etc.
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