1. Muscular system

2. By the end of this session you will be able to: Name the main facial muscles Identify the position and action of facial muscles Label a facial muscle diagram

4. Frontalis Position forehead Action raises the eyebrows

5. Corrugator Position Action eyebrows draws the eyebrows together

6. Position Action temple region raises lower jaw, mastication

7. Orbicularis occuli Position Action around the eyes controls eyelid movement

8. Nasalis Position Action sides of the nose/nostrils controls movement of nostrils

9. Procerus Position Action bridge of the nose wrinkles the skin on the nose

10. Lavator labii superioris Position Action radiates from upper lip lifts upper lip

11. Zygomaticus Position Action across the cheek lifts the corner of the lip

12. Masseter Position Action side of the cheeks mastication

13. Buccinator Position across the cheek Action compresses cheeks

14. Risorius Position either side of mouth Action grinning

15. Depressor anguli oris Position radiates from lower lip Action pulls the corners of the mouth down

16. Depressor labii inferioris Radiates from lower lip Pushes the lower lip out and up Position Action

17. Mentalis Middle of chin Raises and protrudes lower lip Position Action

18. Orbicularis oris Around the lips Controls lip movement Position Action

19. Platysma Front of neck Pulls lower jaw down Position Action

20. Sterno cleido mastoid Sides of the neck Moves head side to side Position Action

21. Pectoralis Chest muscle Adducts arms Position Action

22. Deltoid Caps the shoulder Abducts arms Position Action

23. Trapezius Upper back Pulls the scapula back, pulls the head back Position Action

24. Digastric Position Action Floor of mouth/under the jaw Depresses the mandible

25. Name the muscle which: Raises the eyebrows Purses the lips-whistling Draws the corners of the lips out Pushes the lower lip up and out Draws the eyebrows together Compresses the cheeks Tenses the neck