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In both tests, the patient is placed in a standing or sitting position, and the arms are raised parallel to the ground in the scapular plane. [2] The tests differ in the rotation of the arm; in the empty can test, the arm is rotated to full internal rotation (thumb down) and in the full can test, the arm is rotated to 45° external rotation, thumb up. [1]
A decrease in pain or apprehension or an increase in range of motion is a positive sign for anterior instability. [1] [2] [3] Anterior pain may be caused by laxity in anterior ligaments or capsular structures or a tear of the labrum. Posterior pain may be caused from internal impingement of the posterior capsular or labrum. [2]
A positive test is indicated by pain in the anterior or lateral shoulder when in full flexion. It is indicative of problems involving the supraspinatus and the long head of the biceps brachii tendons. The examiner needs to be aware of a false positive test which is due to the patient having limited forward flexion. [1]
Hawkins–Kennedy test: a positive test indicates shoulder impingement syndrome; Empty beer can test: a positive test indicates rotator cuff tear, specifically, supraspinatus muscle tear; Drop arm test: a positive test indicates a supraspinatus tear; External Rotation test: a positive test indicates an infraspinatus or teres minor tear
However, imaging studies are unable to show cause of shoulder pain in diagnosing. For example, MRI imaging would show rotator cuff pathology and bursitis but is unable to specify the cause. [15] On physical exam, the physician may twist or elevate the patient's arm to test for reproducible pain (the Neer sign and Hawkins-Kennedy test).
The Hawkins–Kennedy Test is a test used in the evaluation of orthopedic shoulder injury. It was first described in the 1980s by Canadians R. Hawkins and J. Kennedy, and a positive test is most likely indicative of damage to the tendon of the supraspinatus muscle .
The shoulder abduction relief test, also called Bakody's test, is a medical maneuver used to evaluate for cervical radiculopathy. [1] Specifically, this test is used to evaluate for nerve root compression at C5-C7. It is often used when a patient presents with neck pain that radiates down the ipsilateral upper extremity. [2]
If pain disappears and shoulder function remains good, no further testing is pursued. The test helps to confirm that the pain arises primarily from the shoulder, rather than being referred from the neck, heart, or gut. If pain is relieved, the test is considered positive for rotator-cuff impingement, of which tendinitis and bursitis are major ...