This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscles of arm and forearm region & Cubital fossa, Subject name: Anatomy
Which of the following is multipennate muscle: 
Select and explain. 
A. Flexor pollicis longus, B. Extensor pollicis longus, C. Deltoid, D. Flexor hallucis longus
C: Deltoid
Answer: C: Deltoid 
Explanation: Deltoid is a multipennate muscle Multipennate muscle has fiber bundles which converge to several tendons.