What are the causes of supraspinatus tendonitis?

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

The causes of supraspinatus tendonitis can be broken down into extrinsic and intrinsic factors. [2, 3]  Extrinsic factors are further broken down into primary impingement, which is a result of increased subacromial loading, and secondary impingement, which is a result of rotator cuff overload and muscle imbalance. In athletes whose sport involves stressful repetitive overhead motions, a combination of causes may be found.


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