Transcript Muscles of the Head Notes

MUSCLES OF THE HEAD
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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
Muscles of the Head and Neck
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)
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
4.What muscle would you use to kiss?
orbicularis oris
5. What muscle would you use to whistle?
buccinator
6. What is the origin of the zygomaticus?
zygomatic bone
7. What muscle allows you to frown?
Platysma, Mentalis, Orbicularis oris,
Frontalis
8. To look down use your
Sternocleidomastoid
9. Are the semispinalis capitis and the
splenius capitis synergists?
yes
Study tip reminders
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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.
Click on the picture to watch a great
explanation of head and neck muscles.