muscles of mastication

Question 1

masseter

Answer 1

attachments: maxillary process of zygomatic bone, zygomatic arch of temporal bone, ramus of mandible
actions: elevation of the mandible
innervation: mandibular nerve (V3)
insertion:

Question 2

temporalis

Answer 2

attachments: temporal fossa attaches onto coronoid process of mandible
actions: elevation of mandible, moving the jaw
innervation: mandibular nerve (v3)
insertion:

Question 3

medial pterygoid

Answer 3

attachments: ramus of mandible
actions: elevation of mandible
innervation: mandibular nerve (V3)
insertion:

Question 4

lateral pterygoid

Answer 4

attachments: neck of mandible
actions: protraction of mandible, side to side movement of jaw
innervation: mandibular nerve (V3)
insertion: