![]() We hypothesized that both modified PSSEs would have positive effects on shoulder mobility, pain, and dysfunction.ĬONSORT (Consolidated Standards of Reporting Trials) flow diagram of study population. Therefore, the purpose of this study was to investigate the effects of 2 different modified PSSEs 25 on shoulder mobility, pain, and dysfunction in patients with SIS having glenohumeral internal rotation deficit (GIRD). ![]() 14, 24 However, Wilk et al 25 reported that modification of these positions was necessary because of the inadequate control of both scapular and glenohumeral rotations, possibly leading to increased subacromial impingement. In previous studies, PSSEs have been applied in traditional positions. Cross-body or sleeper stretch outcomes are equivocal. 14 Shoulder mobility can be increased by reducing the anterior-superior migration of the humeral head. 21 Attention should be given to ensuring adequate posterior shoulder flexibility before strengthening exercises are initiated. Physical therapy with exercises is effective in reducing pain and disability in patients with SIS. 1 Posterior shoulder stretching exercises (PSSEs) have been suggested for IR deficits. ![]() 1, 14 PST has been associated with a decrease in glenohumeral internal rotation (IR) range of motion (ROM), and decreased glenohumeral IR ROM has been detected in individuals with SIS. ![]() 24 PST causes anterior-superior translation of the humeral head over the glenoid fossa 10 and may lead to SIS, reducing the subacromial space during upper extremity elevation. 18 Research has focused on the effects of posterior shoulder tightness (PST) on shoulder pain and SIS symptoms in recent years. Subacromial impingement syndrome (SIS) is the most common cause of shoulder pain and dysfunction. ![]()
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