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: Anatomy
Muscle of Arm with additional supinator action? 
Select and explain. 
A. Brachialis, B. Biceps, C. Coracobrachialis, D. Triceps
B: Biceps
Answer: B: Biceps 
Explanation: Ans. is 'b' i.e., Biceps