The synol cavity of the glenohumeral joint communicates with the subdeltoid bursa after the rupture of:
Correct Answer: Supraspinatus Tendon
Description: The shoulder joint is separated from the subacromial bursa by the supraspinatus tendon, which is inseing on the greater tubercle of the humerus. So, if the supraspinatus tendon is ruptured, the synol cavity of the shoulder will be able to communicate with the subacromial bursa. If contrast dye is injected into the cavity of the shoulder joint following a rupture of the supraspinatus tendon, the contrast will flow into the subacromial bursa. This can be observed in imaging studies. You should know this relationship between the supraspinatus tendon and the subacromial bursa!The tendon of infraspinatus also inses on the greater tubercle of the humerus--however, it does not communicate with the subacromial bursa. The middle glenohumeral ligament strengthens the capsule of the shoulder joint. The subscapularis tendon inses on the lesser tubercle of the humerus--it is not near the subacromial bursa. Finally, the tendon of the long head of the biceps originates on the supraglenoid tubercle scapula and travels through the shoulder joint, lying in the inteubercular groove of the humerus. It is not a structure that communicates with the subacromial bursa.
Category:
Anatomy
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