This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
[{'content': 'Winging of scapula which muscle is affected \nSelect and explain. \nA. Teres minor, B. Latissimus dorsi, C. Subscapularis, D. Serratus anterior', 'role': 'user'}, {'content': "Answer: D \nExplanation: Winging of scapulaIn this condition, the veebral border of scapula becomes more prominent when the patient tries to push against the wallIt occurs in paralysis of the serratus anterior muscle in long thoracic nerve palsy(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 268)", 'role': 'assistant'}]