What are the extrinsic causes of primary impingement in supraspinatus tendonitis?

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

  • Extrinsic causes

    • Primary impingement

      • Increased subacromial loading

      • Trauma (direct macrotrauma or repetitive microtrauma)

      • Overhead activity (athletic and nonathletic)

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