This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Orthopaedics
[{'content': 'Most common cause of inseional tendonitis of tendoachilles is - \nSelect and explain. \nA. Overuse, B. Improper shoe wear, C. Infections from the ankle joint, D. Steroid injections', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ACHILLES TENDINITIS: Athletes, joggers and hikers often develop pain and swelling around the tendo Achillis, due to local irritation of the tendon sheath or the paratenon.Clinical features :The condition may come on gradually, or rapidly following a change in spoing activity (or a change of spos footwear). Less commonly there is a history of direct trauma to the Achilles tendon. The area above the heel may look inflamed and function is inhibited because of pain in the heel-cord, especially at pushoff. The tendon feels thickened in the watershed area about 4 cm above its inseion. In chronic cases an ultrasound scan may be helpful in confirming the diagnosis. REF:Apley&;s system of ohopaedics- 9th edn- pg no 613 .', 'role': 'assistant'}]