This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Which of the following muscle is attached to TMJ ? 
Select and explain. 
A. Lateral pterygoid, B. Medial pterygoid, C. Masseter, D. All the above
D: All the above
Answer: D: All the above 
Explanation: The mandible is moved primarily by the four muscles of mastication: the masseter, medial pterygoid, lateral pterygoid and the temporalis. Ref - BDC 6th volume 3 pg31