What is the functional anatomy of the supraspinatus outlet relative to supraspinatus tendonitis?

Updated: Dec 04, 2017
  • Author: Thomas M DeBerardino, MD; Chief Editor: Sherwin SW Ho, MD  more...
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Answer

The supraspinatus outlet is a space formed by the acromion, coracoacromial arch, and acromioclavicular joint on the upper rim and the humeral head and glenoid below. It accommodates passage and excursion of the supraspinatus tendon. Abnormalities of the supraspinatus outlet have been identified as a cause of impingement syndrome and rotator cuff tendonitis.


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