origin:  superficial fascia over deltoid and pec major

insertion: mandible; skin over mandible

facial nerve

depresses lower jay and lip and angle of mouth

origin:  manubrium, medial one third of clavicle

insertion:  mastoird process lateral half of sup. nuchal line

CN XI, C2-C8 sensory

turns face toward oppositte side, flex head

anterior digastric

origin:  digastric fossa of mandible

insertion:  intermediate tendon attached to hyoid

mylohyoid n. of trigeminal n.

elvates hyoid and floor of mouth, depresses mandible

origin:  mastoid notch

insertion:  intermediate tendon attached to hyoid

facial n.

elevates hyoid and floor of mouth; depresses mandible

origin:  mylohyoid line of mandible

insertion:  median raphe and body of hyoid

mylohyoid n. of trigeminal n.

elevates hyoid and floor of mouth; depresses mandible

origin:  styloid process

insertion:  hyoid

facial n.

elevates hyoid

origin:  genial tubercle of mandible

insertion:  hyoid

C1 via hypoglossal n.

elevates hyoid and floor of mouth

origin:  manubrium and medial end of clavicle

insertion:  hyoid

ansa cervicalis

depresses hyoid and larynx

origin:  manubrium; 1st costal cartilage

insertion:  oblique line of thyroid cartilage

ansa cervicalis

depresses hyoid and larynx

oirgin:  oblique line of thyroid cartilage

insertion:  body and greater horn of hyoid

C1 via hypoglossal n.

depresses hyoid and elevates larynx

origin:  medial lip of suprascapular notch and suprascapular ligament

insertion:  intermediate tendon

ansa cervicalis

depresses and retracts hyoid and larynx

origin:  intermediate tendon

insertion:  body of hyoid

ansa cervicalis

depresses and retracts hyoid and larynx

origin:  transverse process C3-C6

insertion:  scalen tubercle 1st rib

spinal n. C5-C8

elevates 1st rib and bends neck

origin:  transverse processes C2-C7

insertion:  upper surface of 1st rib

spinal n. C5-C8

elevates first rib; bends neck

origin:  transverse processes C4-C6

insertion:  outer surface of 2nd rib

spinal n. C6-C8

elevates second rib; bends neck

origin:  transverse process C3-C6

insertion:  basilar part of occiptial bone

spinal n. C1-C4

flexes and rotates head

origin:  transverse processes C3-T3

insertion:  anterior tubercle of atlas; bodies of C2-C4; transverse process C5-C6

spinal n. C2-C6

flexes and rotates neck

origin:  lateral mass of atlas

insertion:  basilar part of occipital bone

spinal n. C1-C2

Flexes and rotates head

origin:  transverse processof atlas

insertion:  jugular process of occiptial bone

spinal n. C1-C2

flexes head laterally

origin:  superior nuchal line; upper orbitla margin

insertion:  epicranial aponeurosis

facial n.

elevates eyebrows:  wrinkles forehead

origin:  medial supraorbital margin

insertion:  skin of medial eyebrow

facial n.

draws eyebrows downward medially

(frowning muscle)

origin:  medial orbital margin; medial palpebral ligament; lacrimal bone

insertion:  skin and rim of orbit; tarsal plate; lateral palpebral raphe

facial n.

closes eyelids tightly

origin:  nasal bone and cartilage

insertion:  skin b/t eyebrows

facial n.

wrinkles skin over bones

(sadness)

origin:  maxila

insertion: ala of nose

facial n.

draws ala of nose toward septum

origin:  maxilla

insertion:  skin of lip

facial n.

closes lips

origin:  canine fossa of maxilla

insertion:  angle of mouth

facial n.

elevates angle of mouth medially

(disgust)

origin:  frontal process of maxilla

insertion:  skin of upper lip

facail n.

elevates uper lip; dilates nares

(disgust)

orign:  frontal process of maxilla

insertion:  skin of upper lip

facial n.

elevates ala of nose and upper lip

origin:  zygomatic arch

insetion:  angle of mouth

facial n.

draws angle of mouth backward and upward

origin:  mandible below mental foramen

insertion:  orbicularis oris and skin of lower lip

facial n.

depresses lower lip

origin:  oblique line of mandible

insertion:  angle of mouth

facial n.

depresses angle of mouth

(frowning)

oirgin:  fascia over masseter

insertion:  angle of mouth

facial n.

retracts angle of mouth

(smile)

origin:  incisive fossa of mandible

insertion:  skin of chin

facial n.

elevates and protrudes lower lip

origin:  mandible; alveolar processes

insertion:  angle of mouth

facial n.

presses cheek to keep food b/t molars

origin:  temporal fascia (anterior); epicranial aponeurosis (superior); mastoid process (posterior)

insertion:  respective sides of auricle

facial n.

retract and elevate ear

origin:  termporal fossa

insertion:  coronoid process and ramus

trigeminal V3 mandibular branch

elevates; retracts mandible

origin:  lower border and medial surface of zygomatic arch

insertion:  lateral coronoid process, ramus and angle of mandible

trigeminal V3 mandibular branch

elevates mandible

origin:  lateral side of lateral pterygoid plate of sphenoid

insertion:  neck of mandible; articualr disk, TMJ capsule

Trigeminal V3 mandibular branch

depresses mandible; opens jaw

origin:  medial side of lateral pterygoid plated of sphenoid

insertion:  medial surface of angle and ramus of mandible

trigeminal V3 mandibular branch