This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
Recurrent dislocation of shoulder joint occurs due to 
Select and explain. 
A. Weakened and ruptured muscle, B. Damaged glenoid labrum, C. Reduced blood supply, D. Injury to rotator cuff
B: Damaged glenoid labrum
Answer: B: Damaged glenoid labrum 
Explanation: None