This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The optimal position of the ankle to avoid ankylosis is \nSelect and explain. \nA. Slight plantar flexion, B. Slight plantar extension, C. Slight dorsiflexion, D. Slight inversion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The optimal position of the ankle to avoid ankylosis is one of slight plantar flexion.Ref: Chaurasia; Volume 2; 6th edition; Page no: 150', 'role': 'assistant'}]