This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
[{'content': 'Fracture of proximal forearm cast position is \nSelect and explain. \nA. Pronated flexion, B. Neutral position, C. Supinated position, D. Position does not matter', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Definition of supination.\n1: rotation of the forearm and hand so that the palm faces forward or upward; also :\n\na corresponding movement of the foot and leg in which the foot rolls outward with an elevated arch.\n\n2: the position resulting from supination.', 'role': 'assistant'}]