head and neck

Muscles of the mouth

100

What activity does buccinator do?

Blowing 

200

what facial expression does Depressor anguli oris show?

Sadness

300

What action does depressor lability inferioris show?

Exposes lower teeth 

400

What actions is levator anguli oris produce?

Bilateral contraction: smile

unilateral contractio: smirk

500

What action does levator labs superioris show?

Snarl

musxles of mouth continued

100

What action does mentalis do?

Lower lip depression

200

What actions does orbicularis oris do?

Pucker, seal to swallow

300

What does platysma do?

Depress mandible.

400

What does risorius do?

Side smile

500

What does zygomatic major do?

Smile

muscles of mouth, nose, eyes

100

what does zygomaticus minor do?

Lift upper lip

200

Nose: What does levator labii superioris alaeque nasi show?

Disgust

300

Nose: What are the two muscles for nasalis and what do they do?

Transverse and alar nasalis. 
regulate airflow.

400

Nose:What facial expression does procerus show?

Concentration

500

Eyes: what facial expression does corrugated supercilii show?

Concern

Muscles of eye and scalp

100

Eyes: what action does orbicularis oculi do?

Closes the eye

200

Scalp: what does occipitofrontalis do?

Elevates one eyebrow

300

Original and insertion of occipitalfrontalis (2 muscles)

O:galea aponeurotica

I: frontalis: skin above eyebrows

occipitalis: superior nuchal line 

400

Actions of occipitofrontalis.

Frontalis: raise eyebrows and wrinkle forehead

occipitalis: retract galea posteriorly 

500

Cranial nerve of occipitofrontalis?

CN VII facial 

muscles of scalp

100

What does auricularis do?

Wiggle ears 

anterior,superior, and posterior auricularis.

200

What are the muscles of mastication?

Masseter, temporalis, medial and lateral pterygoids.

300

Masseter:what are the A,O,I, N?

A: mandible elevation, protraction

o: zygomatic arch

I: mandible angle, mandibular coronoid process and ramus of mandible 

N: CN V trigeminal

400

Temporal is: what are the A, O, I, N.

A: mandible elevation, retraction

o: temporal fossa

i: mandubular coronoid process and ramus of mandible

n: CN V trigeminal

500

Medial pterygoid and lateral ptergoid: A, O, I, and N

Medial A: unilateral: contralateral lateral deviation 

bilaterally: mandibular elevation, protraction 

medial O: lateral pterygoid plate of sphenoid bone and maxilla

medial I: mandibular ramus

LATERAL A: unilateral: contralateral lateral deviation

bilaterally: mandible protraction

lateral O: superior head: sphenoid

inferior head: lateral pytergoid plate 

Lateral I: TMJ disc, mandible

BOTH N : CN V trigeminal