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

Updated: Dec 03, 2018
  • Author: Thomas M DeBerardino, MD; Chief Editor: Sherwin SW Ho, MD  more...
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Secondary impingement

  • Rotator cuff overload/soft tissue imbalance

  • Eccentric muscle overload

  • Glenohumeral laxity/instability

  • Long head of the biceps tendon laxity/weakness

  • Glenoid labral lesions

  • Muscle imbalance

  • Scapular dyskinesia

  • Posterior capsular tightness

  • Trapezius paralysis

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