1. MUSCLES OF THE HEAD Upload 8.18 “Muscles of the dead worksheet”
to eBackpack

2. Head and Neck Muscles
There are 4 basic functions of head and neck muscles:
swallowing and chewing (mastication)
making facial expressions
moving your head and neck
supporting your head

3. Muscles of the Head and Neck

4. Posterior neck muscles
The muscles in the neck help to support the head. How much do you think an average adult head weighs?
(over 11 pounds)

5. Using your notes and Tables 8.4-8.6
1-2. What are 2 muscles of mastication?
  masseter, temporalis
3. What muscle would you use to close your eye?
orbicularis oculi
What muscle would you use to kiss?
orbicularis oris
5. What muscle would you use to whistle?
  buccinator

6. 6. What is the origin of the zygomaticus?
zygomatic bone
What muscle allows you to frown?
Platysma, Mentalis, Orbicularis oris,
Frontalis
To look down use your
Sternocleidomastoid
Are the semispinalis capitis and the splenius capitis synergists?
yes

7. Study tip reminders Touch the muscles as you say them.
Picture the muscles origin and insertion.
Act out the muscle action.
Look at pictures of real people.
Practice with a friend.
Seek out quizzes and animations on-line.

8. Click on the picture to watch a great explanation of head and neck muscles.

9. Our friends Alex and Ann
1 Levator labii superioris
4. Orbicularis oculi
2. Zygomaticus
major and minor
5. Nasalis
3. Risorius
6. Frontalis
8. Orbicularis
oris
7. Depressor
anguli oris
9. Mentalis
Word Bank: Depressor anguli oris, Frontalis, Levator labii superioris, Mentalis,
Nasalis, Orbicularis oculi, Orbicularis oris, Risorius, Zugomaticus

10. Reliable Study Aids
Inner Body Link Get Body Smart Former Students ppt. On the web-site “8.26 Muscle Identification”

11. Coloring- Muscles of Facial Expression
Are muscles K and J antagonists or synergists?
Antagonists (Levator and Depressor)
16. What is the muscle action of the Levator labii superioris?
 Elevates
Fun Fact: The Mentalis is known as the “pouting muscle”.

12. Coloring- Muscles of Mastication
What is the name of muscle A?
Temporalis
20. What is the name of muscle B?
  Masseter
21. Are muscles A and B synergists or antagonists?
  Synergists- Elevate jaw
22. What is the name of the insertion bone for muscles A and B?
  Mandible
Is the above named bone moveable or immovable?
Movable- only movable skull bone

13. Coloring- Muscles that move the head
What is the name of muscle A?
Platysma
What is the name of muscle B?
Sternocleidomastoid

14. Coloring- Muscles that move the head
What is the name of letter C?
Trapezius
Is muscle D (Splenius capitus) superficial or deep?
Deep to trapezius
What is the action of muscle F (Levator scapulae)?
Elevates scapula