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Glenohumeral InstabilityAka: Shoulder Instability
- See Also
- Glenohumeral Dislocation
- Glenohumeral Subluxation
- Pathophysiology
- Disorder of shoulder capsule and shoulder labrum
- Epidemiology
- Age at onset typically under 40 years
- Risk Factors
- Collision sport activity
- Shoulder overhead activity
- Causes
- Glenohumeral Dislocation
- Glenohumeral Subluxation
- Symptoms
- Lateral deltoid numbness
- Signs
- Shoulder Apprehension Test positive
- Imaging
- Shoulder XRay (low sensitivity, use to evaluate differential diagnosis)
- Hill-Sachs Lesion
- Shoulder Dislocation
- Inferior glenoid avulsion Fracture
- Shoulder MRI (preferred imaging of shoulder labrum)
- Differential Diagnosis
- See Shoulder Pain
- SLAP lesion (Superior labrum anterior to posterior)
- Results from avulsion of the long head of the bicipital tendon
- Associated Conditions: Age over 40 years (related to dislocations or subluxations)
- Rotator Cuff Tears
- Glenohumeral Osteoarthritis
- Management
- Acute Management
- See Shoulder Subluxation
- See Shoulder Dislocation
- Follow-Up Management
- Reduce exacerbating factors
- Shoulder Strength Exercises
- Rotator Cuff strengthening Exercises
- Scapular stabilizer strengthening Exercises
- Indications for surgery (early orthopedic consultation recommended)
- Course refractory to conservative measures
- Recurrent Shoulder Dislocation or Shoulder Subluxation
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