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: Surgery
In Recurrent Anterior dislocation of shoulder, the movements that causes dislocation is 
Select and explain. 
A. Flexion and internal rotation, B. Abduction and external rotation, C. Abduction and internal rotation, D. Extension
B: Abduction and external rotation
Answer: B: Abduction and external rotation 
Explanation: B i.e. Abduction & external rotation