This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries Around Shoulder, Subject name: Orthopaedics
Most common dislocation of shoulder causing axillary nerve injury is - 
Select and explain. 
A. Anterior dislocation, B. Posterior dislocation, C. Recurrent instability, D. Inferior dislocation
A: Anterior dislocation
Answer: A: Anterior dislocation 
Explanation: Ans. is 'a' i.e., Anterior dislocation Complications of anterior dislocationi) Injury to the axillary (circumflex) nerve is the most common complication (5- 30%)ii) Occasionally other branches of brachial plexus are damaged especially the posterior cord.iii) Occasionally axillary artery may be damaged especially if the vessel is atheromatous or it may damage during attempted late reduction.iv) Associated fractures like greater tuberosity.v) Recurrent dislocation.