head and neck muscles

epicranial aponeurosis

origin of frontal belly of epicranius

skin of eyebrow, root of nose

insertion of frontal belly of epicranius

occipital bone, temporal bone

origin of occipital belly of epicranius

epicranial aponeurosis

insertion of occipital belly of epicranius

frontal bone, maxillary bone, ligaments around orbit

origin of orbicularis oculi

tissue of eyelid

insertion of orbicularis oculi

indirect with maxilla and mandible, blends with other lip fibers

origin of orbicularis oris

skin and muscles at angles of mouth

insertion of orbicularis oris

zygomatic bone

origin of zygomaticus major and minor

skin and muscle at corner of mouth

insertion of zygomaticus major and minor

temporal fossa

origin of temporalis

coronoid process of mandible

insertion of temporalis

zygomatic arch and bone

origin of masseter

angle and ramus of mandible

insertion of masseter

raises eyebrows

action of frontal belly of epicranius

fixes aponeurosis, pulls scalp posteriorly

action of occipital belly of epicranius

closes eye, draw eyebrows inferiorly

action of orbicularis oculi

closes, purses, and protrudes lips

action of orbicularis oris

lateral corner of mouth raise :]

action of zygomaticus

elevates and retracts mandible

action of temporalis

prime mover of jaw closure, elevates mandible

action of masseter