Muscles of head and neck

Question 1

occipitofrontalis

Answer 1

a flat muscle consisting of two bellies interconnected by a common flat tendon

Question 2

orbicularis oculi

Answer 2

surrounds the orbital margin and extends into the eyelids; closes the eyelids

Question 3

orbicularis oris

Answer 3

a circular muscle within the lips; closes the mouth

Question 4

buccinator

Answer 4

a cheek muscle that originates at both the mandible and maxilla and inserts into the angle of the mouth; assist in chewing, speaking and blowing

• deep

Question 5

masseter

Answer 5

extends from the zygomatic arch to the angle of the mandible
- elevates the mandible

Question 6

Sternocleidomastoid

Answer 6

broad muscle on side of neck

branch with two necks: sternal and clavicle