Muscles of Facial Expression

elevates eyebrows and wrinkles forehead

Epicranius

Location of epicranius

covers forehead

epicranial aponeurosis

Bony attachment of epicranius

skin of the forehead

Soft tissue attachment of epicranius

closes eyelids; blinking/squinting of eye

Orbicularis oculi

surrounds orbit

Location of the orbicularis oculi

skin around the orbit

Bony attachment of orbicularis oculi

skin around eyelids

Soft tissue attachment of orbicularis oculi

pulls corners of mouth posteriorly and superiorly (smile)

Zygomaticus (major, minor)

extends diagonally from cheek to mouth

Location of zygomaticus

zygomatic bone

Bony attachment of zygomaticus

skin around mouth

Soft tissue attachment of zygomaticus

Orbicularis oris

purses and protrudes lips; puckering kissing motion

surrounds mouth

Location of the orbicularis oris

maxilla and mandible

Bony attachment of the orbicularis oris

skin around lips

Soft tissue attachment of orbicularis oris

depresses lower lip, tenses skin of neck; depresses mandible

Platysma

superficial neck muscle

Location of the platysma

fascia of upper thorax and lower neck

Bony attachment of platysma

mandible

Soft tissue attachment of platysma