Muscles of the Face Flashcards
1
Q
Occipitalis origin?
A
Superior nuchal line
2
Q
Occipitalis insertion?
A
Epicranial aponeurosis
3
Q
Occipitalis action?
A
Retract scalp
4
Q
Occipitalis innervation?
A
Facial n. (CN VII)
5
Q
Frontalis origin?
A
Epicranial aponeurosis
6
Q
Frontalis insertion?
A
Skin of the forehead
7
Q
Frontalis action?
A
Raises eyebrows, wrinkles skin of forehead
8
Q
Frontalis innervation?
A
Facial n. (CN VII)
9
Q
Orbicularis oculi origin?
A
Medial margin of orbit
10
Q
Orbicularis oculi insertion?
A
Skin of eyelids
11
Q
Orbicularis oculi action?
A
Sphincter; closes eye, wink, blink, squint
12
Q
Orbicularis oculi innervation?
A
Facial n. (CN VII)
13
Q
Buccinator origin?
A
Alveolar processes of mandible and maxilla
14
Q
Buccinator insertion?
A
Orbicularis oris
15
Q
Buccinator action?
A
Compresses cheek, holds food between teeth during chewing
