This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forearm, Subject name: Anatomy
[{'content': 'Supination in flexed elbow is produced by - \nSelect and explain. \nA. Supinator, B. Biceps, C. Coracobrachialis, D. Brachialis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Biceps MovementMuscles causing movementPronationPronator quadratus (strong pronator), Pronator teres (Rapid pronator).SupinationSupinator (when elbow is extended). Biceps (when elbow is flexed).", 'role': 'assistant'}]