Head,Neck,Back, and Abdomen

orbicularis oculi

closes eye

orbicularis oris

closes lips

buccinator muscle

compresses cheek(blowing)

lateral pterygoid

depresses mandible

Medial Pterygloid

elevates mandible

Temporalis

elevates mandible

zygomaticus minor

elevates upper lip

masseter muscle

elevation of mandible

Iliocostalis

extension of spine

Longissimus

extension of spine

spinalis

extension of spine

(side muscles) name the side abdominal muscles most superficial to deep?

external oblique internal oblique transversus abdominis

Sternoclediomastoid

flexes head orgin- sternum,clavicle Insertion- mastoid process

rectus abdominis

flexion of trunk

which muscle is most lateral?

iliocostalis

which muscle is most intermediate?

longissimus

Platysma

pulls mouth downward

Occipitalis

pulls scalp posteriorly

frontalis muscle

raises eyebrows

external oblique

rotation of the trunk

internal oblique

rotation of the trunk

transversus abdominis

rotation of trunk

zygomaticus major

smiling

which muscle is most medial?

spinalis

what muscle supports the spine?

transversus abdominis