1. Facial Muscles By
Nicky Adams

2. AIMS We are going to explore the various facial muscles
Then learn the various functions of these muscles

3. These are the names of the muscles that move the head:
Sternomastoid
Trapezius

4. Sternomastoid
This muscle runs from sternum to the clavicle bone, and the temporal bone
It flexes the neck, rotates and bows the head

5. Trapezius
This is a large triangular muscle, covering the back of the neck and upper back
It draws the head backwards, and allows movement at the shoulder

6. These are the muscles of mastication:
Masseter
Temporalis

7. Masseter
This muscle is found around the cheek area, it extends from the zygomatic bone to the mandible
It clenches the teeth, closes and raises the lower jaw

8. Temporalis
It extends from the temples at the sides of the head, to the mandible
It raises the jaw and draws it backwards, as in chewing

9. These are the muscles of facial expression
Occipital-frontalis
Corrugator
Orbicularis oculi
Risorius
Buccinator
Zygomaticus
Orbicularis oris
Mentalis
Depresor labii
Platysma

10. Occipital-frontalis
This muscle is found at the forehead, and runs to the occipital region
This muscle raises the eyebrows
Giving a surprised facial expression

11. Corrugator This muscle is found between the eyebrows
It draws the eyebrows together
Making your frown

12. Orbicularis oculi This muscle surrounds the eyes It closes the eyelid
Used when winking

13. Risorius This muscle extends diagonally from the corners of the mouth
It draws the mouth corners outwards
Used when smiling

14. Buccinator This muscle is found inside the cheeks
It compresses the cheeks
Is used when blowing

15. Zygomaticus
This muscle extends diagonally from the corners of the mouth
Lifts the mouth corners, upwards and outwards
Is used when smiling and laughing

16. Orbicularis oris This muscle surrounds the mouth
It is used to purse the lips, and closes the mouth
It is used to pout and kiss

17. Mentalis This muscle is found around the chin
It raises the lower lip, causing the chin to wrinkle
It will give a doubt facial expression

18. Depressor labii This muscle extends over the chin
It draws down the mouths corners
Is used when sulking

19. Platysma This muscle is found at the sides of the neck
It draws down the mouths corners downwards and backwards
It is used when we are scared frightened (fear, horror)

20. THE END