This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Shoulder and arm injuries, Subject name: Orthopaedics
A 20-years old male presents with anterior shoulder dislocation. This injury is usually caused as a combination of which of the following? 
Select and explain. 
A. Abduction & external rotation, B. Adduction & external rotation, C. Abduction & internal rotation, D. Adduction & internal rotation
A: Abduction & external rotation
Answer: A: Abduction & external rotation 
Explanation: Most common mechanism of injury for anterior dislocation is fall on outstretched hand or throwing with abduction, external rotation and extension at shoulder Refer Maheshwari 9th ed pg 89