Facial Muscles Flashcards
Position and action of the frontalis
Position: forehead
Action: raises the eyebrows
Position and action of the corrugator
Position: eyebrows
Action: draws the eyebrow together
Position and action of the procerus
Position: bridge of nose
Action: wrinkles the skin on the nose
Position and action of Occipito- frontalis
Position: back of the head to front of the head
Action: pulls head back and fourth
Position and action of nasalis
Position: nostrils
Action: controls movement of the nostrils
Position and action of temporalis
Position: temple region
Action: raises lower jaw
Can feel it when chewing
Position and action of masseter
Position: side of the cheek
Action: mastication (chewing)
Position and action of orbicularis occuli
Position: around the eye
Action: controls eyelid movement
Position and actions of orbicularis oris
Position: around the lips
Action: controls lip movement
Positions and actions of the zygomaticus
Positions: across the cheek
actions: lift the corner of the lips
Positions and actions of risorius
Positions: either side of the mouth
Actions: grinning
Positions and actions of the buccinator
Positions: across the cheeks
Actions: compress the cheeks
Positions and actions of the mentalis
Positions: middle of chin
Actions: raise and protudes lower lip
Positions and actions of platysma
Positions: front of neck
actions: pulls lower jaw down
Positions and actions of triangularis
Positions: corner of the lower lip extends over the chin
Actions: pulls the corners of the chin down
