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
Supination in flexed elbow is produced by - 
Select and explain. 
A. Supinator, B. Biceps, C. Coracobrachialis, D. Brachialis
B: Biceps
Answer: B: Biceps 
Explanation: 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).