Muscles Head & Neck Flashcards Preview

A&P Lab Exam 3 > Muscles Head & Neck > Flashcards

Flashcards in Muscles Head & Neck Deck (15)
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1
Q

Levator scapulae (deep to trapezius)

A

o O: vertebrae
o I: scapula
o A: elevates scapula; abducts and rotates neck

2
Q

• Sternocleidomastoid

A

o O: sternum and clavicle
o I: mastoid process (temporal)
o A: abducts, rotates, and flexes head

3
Q

• Platysma (not shown on the models)

A

o O: fascia of deltoid and pectoralis major
o I: mandible
o A: depresses lower lip (as in pouting); depresses mandible

4
Q

• Frontalis

A

o O: galea aponeurotica
o I: skin below eyebrows
o A: elevates eyebrows; protracts scalp

5
Q

Occipitalis

A

o O: occipital and temporal bones
o I: galea aponeurotica
o A: retracts scalp

6
Q

Temporalis

A

o O: temporal bone
o I: mandible
o A: elevates mandible

6
Q

Temporalis

A

o O: temporal bone
o I: mandible
o A: elevates mandible

7
Q

• Masseter

A

o O: zygomatic arch
o I: mandible
o A: elevates mandible

7
Q

• Masseter

A

o O: zygomatic arch
o I: mandible
o A: elevates mandible

8
Q

• Orbicularis oculi

A

o ‘Sphincter-like’ muscle around eyes

o A: closes eyelid

8
Q

• Orbicularis oculi

A

o ‘Sphincter-like’ muscle around eyes

o A: closes eyelid

9
Q

• Orbicularis oris

A

o ‘Sphincter-like’ muscle around mouth

o A: closes and protrudes lips (as in puckering)

9
Q

• Orbicularis oris

A

o ‘Sphincter-like’ muscle around mouth

o A: closes and protrudes lips (as in puckering)

10
Q

• Other structures/concepts to know

A

o Galea aponeurotica

10
Q

• Other structures/concepts to know

A

o Galea aponeurotica