Muscles of Mastication

Question 1

temporalis proximal attachment

Answer 1

superior and inferior temporal lines

Question 2

temporalis distal attachment

Answer 2

coronoid process of mandible

Question 3

temporalis actions

Answer 3

elevate + retract mandible

Question 4

all muscles of mastication are innervated by _____

Answer 4

CN 5 (trigeminal)

Question 5

masseter proximal attachment

Answer 5

maxillary process of zygomatic bone and zygomatic arch

Question 6

masseter distal attachment

Answer 6

ramus of mandible (lateral) and mandibular angle

Question 7

masseter actions

Answer 7

elevate and assist medial pterygoid in protraction of mandible

Question 8

lateral pterygoid proximal attachment

Answer 8

greater wing of sphenoid and lateral pterygoid plate (lateral)

Question 9

lateral pterygoid distal attachment

Answer 9

superior head: joint capsule and articular disc of TMJ inferior head: neck of mandible

Question 10

lateral pterygoid actions

Answer 10

depress the mandible to open the mouth

Question 11

medial pterygoid proximal attachment

Answer 11

lateral pterygoid plate (medial) and tuberosity of maxilla

Question 12

medial pterygoid distal attachment

Answer 12

ramus of mandible (medial)

Question 13

medial pterygoid actions

Answer 13

elevate + protract mandible