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http://dx.doi.org/10.21598/JKPNFA.2022.20.3.399

Reliability Test for Winged Scapula and Correlation between Winged Scapula and Scapular Stability in Patients with Subacromial Impingement Syndrome  

Kim, Young-Hoon (Department of Marine Sports, Pukyong National University)
Kim, Tae-Gyu (Department of Marine Sports, Pukyong National University)
Kim, Soo-Yong (Department of Physical Therapy, Pusan National University Yangsan Hospital)
Publication Information
PNF and Movement / v.20, no.3, 2022 , pp. 399-408 More about this Journal
Abstract
Purpose: This study investigated the differences in winged scapula between the symptomatic side and asymptomatic side, the reliability of the winged scapula test, and the correlation between winged scapula and the stability of the scapula in patients with subacromial impingement syndrome. Methods: Twenty-four patients with unilateral subacromial impingement syndrome participated in this study. Winged scapula was compared between the symptomatic and asymptomatic sides using a scapulometer. The reliability of the scapulometer was assessed by calculating the intraclass correlation coefficient (ICC), standard error of measurement (SEM), and minimal clinically important difference (MCID). The correlation between winged scapula and the results of the upper quarter Y-balance test were also obtained. Conclusion: Winged scapula was significantly greater on the symptomatic side compared with the asymptomatic side (p < 0.05). High to excellent ICCs were obtained for the winged scapula test, and SEM and MCID values were obtained for winged scapula (SEM: 0.2-0.3 cm, MCID: 0.6-0.8 cm); however, winged scapula and the results of the upper quarter Y-balance test were not correlated. Conclusion: The scapulometer is useful for measuring winged scapula in patients with subacromial impingement syndrome.
Keywords
Scapulometer; subacrominal impingement syndrome; winged scapula;
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