II. Epidemiology

  1. Common site for arthritic changes

III. Risk Factors: Prior AC Joint Injury

  1. Acromioclavicular Separation
  2. Heavy weight lifting

IV. Symptoms

  1. Pain localizes to the acromioclavicular joint

V. Signs

  1. AC Joint Tenderness to palpation
    1. Absence of tenderness suggests alternative diagnosis
  2. Pain on provocative maneuvers
    1. Shoulder Crossover Maneuver
    2. Endpoint Shoulder Internal Rotation
    3. Shoulder forward flexion

VI. Differential Diagnosis

VIII. Management

  1. Modify exacerbating activities
    1. Avoid heavy lifting
    2. Avoid overhead activities
    3. Avoid repetitive Shoulder activities
  2. NSAIDs
  3. Local Corticosteroid Injection at AC joint
    1. Effective for short-term pain relief
    2. Jacob (1997) Biomed Sci Instrum 34:380-5 [PubMed]
  4. Surgery for pain refractory to conservative measures
    1. Distal clavicle resection
    2. Rabalais (2007) Clin Orthop Relat Res 455:30-37 [PubMed]

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Ontology: Osteoarthritis of acromioclavicular joint (C0409963)

Concepts Disease or Syndrome (T047)
SnomedCT 201898007, 239865003
English OA NOS-acromioclavicular joint, OA of acromioclavicular joint, Osteoarthritis NOS, of acromioclavicular joint, Osteoarthritis NOS, of acromioclavicular joint (disorder), OA - Osteoarthritis of acromioclavicular joint, Osteoarthritis of acromioclavicular joint, Degenerative joint disease of acromioclavicular joint, Osteoarthritis of acromioclavicular joint (disorder)
Spanish artrosis, SAI, de la articulación acromioclavicular, artrosis, SAI, de la articulación acromioclavicular (trastorno), artrosis de la articulación acromioclavicular (trastorno), artrosis de la articulación acromioclavicular