The face has several relevant muscles. Below is a chart of their names,
position and action
Frontalis
Upper part of the cranium
Elevates eyebrows; draws the scalp forwards
Corrugator
Inner corner of eyebrows
Draws eyebrows together (frowning)
Procerus
Top of nose between eyebrows
Depresses the eyebrows (forms wrinkles over bridge of nose)
Orbicularis Oculi
Surrounds the eye
Closes the eye (blinking)
Nasalis
Over the front of nose
Compresses nose (causing wrinkles)
Temporalis
Runs downs the side of face towards jaw
Aids chewing; closes mouth
Masseter
Runs down and back to the angle of the jaw
Lifts the jaw; gives strengt for biting (clenches the teeth)
Buccinator
Forms most of the cheek and gives it shape
Puffs out cheeks when blowing; keeps food in mouth when chewing
Risorius
Lower cheek
Pulls back angles of the mouth (smiling)
Zygomaticus
Runs down the cheek towards the corner of the mouth
Pulls corner of the month upwards and sideways
Quadratus labii superiorus
Runs upward from the upper lip
Lifts the upper lip; helps open the mouth
Quadratus labii superiorus
Runs upward from the upper lip
Lifts the upper lip; helps open the mouth
Orbicularis Oris
Surrounds the lip and forms the mouth
Closes the mouth; pushes lips forwards
Mentalis Forms the chin
Lifts the chin; moves the lower lip outwards
Triangularis
Corner of the lower lip, extends over the chin
Pulls the corner of the chin down
Platysma
Front of throat
Pulls down the lower jaw; angles the mouth
Sterno – mastoid
Either side of the neck
Pulls head down to shoulders;rotates head to side; pulls chin onto chest.