What are the intrinsic causes of supraspinatus tendonitis?

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

  • Acromial morphology (ie, hooked acromion, presence of an os acromiale or osteophyte, calcific deposits in the subacromial space, all of which predispose to primary impingement)

  • Acromioclavicular arthrosis (inferior osteophytes)

  • Coracoacromial ligament hypertrophy

  • Coracoid impingement

  • Subacromial bursal thickening and fibrosis

  • Prominent humeral greater tuberosity

  • Impaired cuff vascularity

  • Aging (primary)

  • Impingement (secondary)

  • Primary tendinopathy

  • Intratendinous

  • Articular side partial-thickness tears

  • Calcific tendinopathy

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