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FIGURE 2-4. Arthroscopic acromioplasty and mini-open rotator cuff repair. A: The classic impingement sign occurs as the shoulder is placed in the position of maximum forward elevation, reproducing the patient's pain. B: Impingement of the greater tuberosity on the coracoacromial ligament occurs when the shoulder is forward-flexed to 90 degrees and internally rotated, reproducing the patient's pain.
FIGURE 2-4. Arthroscopic acromioplasty and mini-open rotator cuff repair. A: The classic impingement sign occurs as the shoulder is place...
Impingement Syndrome of the Shoulder Labeled
Figure 6-147 <bold>IMPINGEMENT SYNDROME: PAIN WITH ABDUCTION OF THE SHOULDER. T1-Weighted MRI, Coronal Oblique Shoulder.</bold> Note the hypertrophic deformity of the acromioclavicular joint (<italic>arrow</bold>). Note the intermediate signal intensity (<italic>arrowhead</bold>) within the atrophied and retracted rotator cuff (<italic>crossed arrows</bold>). There is also superior subluxation of the humeral head. These findings are consistent with complete rotator cuff tear. <bold><italic>COMMENT:</bold></bold> Entrapment of the sub...
Figure 6-147 <bold>IMPINGEMENT SYNDROME: PAIN WITH ABDUCTION OF THE SHOULDER. T1-Weighted MRI, Coronal Oblique Shoulder.</bold>...