Muscles In The Face Flashcards
What is the muscle in the cheek called
Zygomatic
What is the thick triangular muscle that covers the shoulder and allows movement of the arm away from the body called?
Deltoid
What is the large triangular muscle that covers the upper back and neck and draws the head backwards to allow the shoulders to raise.
The Trapezius
What is the muscle on the forehead that raises the eyebrows as in surprise called ?
The Frontalis
What is the muscle that is found between the eyebrows which draws the eyebrows together as in frowning called?
Corrugator
What is the muscle found in the centre of the chin that dimples the chin called ?
The Mentalis
What is the muscle that surrounds the mouth that helps us to kiss called?
The or obicularis oculi
Where is the triangularis and what is it’s function?
The corners of the lower lip and extends over the chin.
Draws down the mouths corners.
Expression….. Sadness
Where is the Procerus muscle and what is it’s action and expression?
Covers the bridge of the nose.
Draws down eyebrows and wrinkles the skin over the bridge of the nose.
Expression….. Distaste
Where is the obicularis oculi and what is it’s function?
Surrounds the eye
Closes the eyelid
Winking
What is the muscle that allows us to grin
The Risorius
Where is the Depressor Labi and what is it’s action and expression
Surrounds the lower lip,
Pulls down the lower lip and draws slightly to one side.
Expression….. sulking
What is the expression of the platysma muscle?
Fear/horror
What are the 2 muscles of mastication?
Masseter
Temporalis
Where is the masseter and what is it’s function?
The cheek area: extends from the zygomatic bone to the mandible.
Action….. clenches the teeth and closes and raises the lower jaw
Where is the temporalis and what is it’s function ?
Extends from the temple region at the side of the head to the mandible.
Raises the jaw and draws it backwards as in chewing
What are the 3 muscles that move the head?
Sternocleidomastoid
Trapezius
Occipitalis
Where is the Sternocleidomastiod and what is it’s function?
Runs from the sternum to the clavicle bone and the temporal bone, runs down the side of the front of the neck.
Flexes the neck and lowers the head
Where is the occipitalis muscle and what is it’s function?
Covers the back and base of the skull.
Draws the scalp backwards
Where are the pictorials major and what is their function?
Across the upper chest (underneath the breasts) from the clavicle, sternum and rubs to the top of the humerus, forming the front wall of the axilla.
Used in throwing and climbing to adduct the arm, drawing it forward and rotating it medially
Where is the pectorals minor and what is it’s function?
Underneath the major. It’s origin is the 3rd 4th and 5th ribs and it inserts into the outer corner of the scapular.
Draws the shoulders downwards and forwards.
