Muscle Chart 1Muscle Chart 1Muscle Chart 1
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NAME
Frontalis

ORIGIN

ACTION

NERVE

galea aponeurotica

skin of eyebrows and
root of nose

• raises the eyebrows
• wrinkles the forehead
horizontally

Facial

arch of frontal bone
above nasal bone

skin of eyebrow

• draws eyebrows medially
and inferiorly
• wrinkles the forehead
vertically (frowning)

Facial

Levator palpebrae superioris tendinous band
around optic foramen
3
(near annular ring)

upper eyelid

• raises eyelids

Oculomotor

Orbicularis oculi

tissue of eyelid

• blinking
• squinting
• draws eyebrows inferiorly

Facial

1

Corrugator supercilii
EYE EXPRESSIONS

INSERTION

2

4

NAME
Superior rectus

frontal and mazillary
bones and ligaments
around orbit

ORIGIN
annular ring

INSERTION

ACTION

NERVE

superior eyeball

• elevates the eye

Oculomotor

1
2
4

9

5

Inferior rectus

annular ring

inferior eyeball

• depresses the eye