This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Spos Injury, Subject name: Orthopaedics
[{'content': 'A 22 year old athlete had twisting injury to his right ankle. A lot of swelling around the medial malleolus was observed . An X-ray which did not show any fracture. Most probable structur to be injured is : \nSelect and explain. \nA. Tendo Achilles, B. Spring ligament, C. Anterior talofibular ligament, D. Deltoid ligament', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The structure injured here is Deltoid Ligament. Mechanism of Injury : Forced eversion combined with external rotation. Deltoid ligament Forms medial pa of the ankle joint. It attaches the medial malleolus to multiple tarsal bones.', 'role': 'assistant'}]