![]() ![]() ![]() This study was performed on 120 patients with shoulder pain either referred from rheumatology and orthopaedic surgery units or directly applied to the Department of Physical Medicine and Rehabilitation in Cerrahpasa Faculty of Medicine. We evaluated sensitivity, specificity, accuracy, positive and negative predictive values of the clinical diagnostic tests for SIS. Our aim was to investigate the diagnostic value of these tests in SIS diagnosis. SIT positive cases are considered to have SIS, unless they have calcific lesions in conventional radiography.Īlthough the clinical diagnostic tests are used frequently for clinical evaluation, not much data on their diagnostic value are available. 6, 8, 11, 12 Marked relief of pain and almost total improvement in passive and/or active shoulder range of motion (ROM) after SIT suggest the test is positive and that discriminates SIS from other shoulder pathologies. For differential diagnosis, subacromial injection test (SIT), a reference standard test for the diagnosis of this syndrome, should be performed. 9, 10 These tests may be positive in SIS and shoulder disorders other than SIS. Many clinical diagnostic tests have been developed for physical examination of shoulder some of which are Hawkins, Neer, horizontal adduction, painful arc, drop arm, Yergason and Speed tests. ![]() 5-7 Neer has proposed that 95% of rotator cuff tears occur as a consequence of SIS. In stage 1: oedema and haemorrhage in stage 2: cuff fibrosis, thickening and partial cuff tearing in stage 3: full thickness tendon tears, bony changes and tendon rupture are specific findings. ![]() The main features of SIS were first described by Neer in 1972. The structures most often irritated and inflamed with SIS are the rotator cuff muscles, the long head of the biceps and the subacromial bursa. SIS is the compression of the suprahumeral structures against the anteroinferior aspect of the acromion and coracoacromial ligament. 2, 3 Disorders of rotator cuff tendons have usually been grouped under the diagnostic phrase SIS. 1 Subacromial impingement syndrome (SIS) is a frequent cause of shoulder pain. Shoulder pain is a common complaint with many diverse aetiologies. ![]()
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