| Figure
10.06 |
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|
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|
|
|
| Antagonists in |
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| action on
mouth: |
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| O. oris pulls |
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| corners inward |
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| (puckering); |
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| Zygomaticus
raises |
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| corners in
smiling. |
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| Zygomaticus |
| Orbicularis
oris |
| Lowers jaw |
| Platysma |
| Flexes neck
if jaw is fixed. |
