Treatment of glenohumeral instability

1. What is the conservative treatment for anterior GH instability?
2. When should surgery be considered for anterior GH instability?
3. What is the conservative treatment for posterior GH instability?
4. How successful is rehab for multidirectional GH instability?

Answers:
1. Sling immobilization, strengthening and ROM of shoulder girdle complex, PROM (Pendulum-Codman's exercises).
2. After 3 dislocations or in a very active patient.
3. Immobilize in a neutral position for 3 weeks, strengthening of posterior shoulder-scapula musculature (infraspinatus, post deltoid, teres minor), rehab usually curative.
4. 80% success.