Muscles of Facial Expression

Question 1

What is the name of the tendon connecting the frontalis muscle?

Answer 1

epicranial aponeurosis

Question 2

Which muscle wrinkles skin over the bridge of the nose?

Answer 2

procerus muscle

Question 3

The orbicularis oculi has two parts, what are these?

Answer 3

palpebral part - very thin fibres present for blinking

orbital part - coarse fibres arranged in oval shape

Question 4

What is the function of the zygomaticus major and minor muscles?

Answer 4

pulls corners of lips upwards and lateral

Question 5

What is the function of the risorius muscle? Where is this roughly located?

Answer 5

pulls mouth out to the side

located at the corner of the lips inferiorly

Question 6

What is the function of the levator labii superiorus alaeque nasi muscle?

Answer 6

pulls lips and nose upwards together

Question 7

What are the names of the levator and depressor facial muscles?

Answer 7

levator labii superiorus m.
levator anguli oris m. (left and right)
depressor labii inferiorus m.
depressor anguli oris m. (left and right)

Question 8

Name the muscle that wrinkles the forehead and raises eyebrows.

Answer 8

Frontalis m.