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
[{'content': 'Most common injured muscle in rotator cuff is: \nSelect and explain. \nA. Supra-spinatus muscle, B. Infras-spinatus muscle, C. Teres minor, D. Subscapularis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Rotator cuff muscles- S -Supraspinatus on greater tubercle I -Infraspinatus on greater tubercle t -Teres minor on greater tubercle S -Subscapularis on lesser tubercle These helps in strengthening of capsule posteriosuperiorly. Anteroinferior dislocation are more common Supraspinatus tendon is injured most commonly', 'role': 'assistant'}]