This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb bones and muscles (proximal region) & Scapular movements, Subject name: Anatomy
Flexion, adduction and medial rotation of arm is done by which muscle 
Select and explain. 
A. Serratus Anterior, B. Pectoralis major, C. Pectoralis minor, D. Subclavius
B: Pectoralis major
Answer: B: Pectoralis major 
Explanation: Muscle Action Pectoralis major Adducts and medial rotation of arm Pectoralis minor Stabilizes the scapula Subclavius anchors and depresses the scapula Serratus Anterior protracts the scapula laterally rotates the scapula overhead abduction