Facial Muscles

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.