Muscles of the face, jaw, and neck

Frontalis

frontalis function

raise eyebrows, wrinkle forehead

occipitalis

occipitalis function

draws the scalp posterior

what are the frontalis and occipitalis connected by

epicranial aponeurosis

orbicularis oculi

orbicularis oculi function

close eyes

orbicularis oris

orbicularis oris function

close and protrude lips

Buccinator

buccinator function

cheek to teeth

platysma

platysma function

tense skin in neck

What do the muscles of mastication move

Temporomandibular joint

function of TMJ

rotate and slide

Temporalis

Temporalis function

elevate, retract mandible

Masseter

Masseter function

elevate mandible

function of medial pterygoid

elevate, protrude mandible

function of lateral pterygoid

depress, protrude mandible, side to side

Ms munch

Temporalis, Massester, medial pterygoid

Trapezius CN

XI

sternocleidomastoid

sternocleidomastoid function

flex neck down, rotate head

leaning right, which sternocleidomastoid activated

left

suprahyoid muscles

suprahyoid muscles function

raise hyoid, open mouth

infrahyoid muscles

infrahyoid muscles function

pull down, stabilize hyoid