Biceps Tendon Instability

Aka: Biceps Tendon Instability, Subluxing Biceps Tendon, Bicipital Tendon Subluxation

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II. Definition

  1. Biceps tendon dislocates from bicipital groove

III. Etiologies

  1. Tear in overlying subscapularis tendon
  2. Congenitally shallow groove
  3. Trauma in young patient
    1. Forceful external rotation and abduction of Shoulder

IV. Signs

  1. Palpable or audible snap on Shoulder Range of Motion

V. Course

  1. Frequent recurrences of subluxation
  2. Tenosynovitis develops
    1. Results in Shoulder Pain and stiffness

VI. Management

  1. Surgery to anchor biceps tendon in bicipital groove

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