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Anatomy (BIOL-221) > The Axial Muscular System OIA > Flashcards

The Axial Muscular System OIA Flashcards

1
Q

What is the insertion of the Temporalis?

A

Coronoid process of the mandible

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2
Q

What is the insertion of the Master?

A

Lateral surface of the mandibular ramus/angle

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3
Q

What is the insertion of the Rectus abdominis?

A

Costal cartilage, xiphoid process

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4
Q

What is the insertion of the Pterygoid [Medial; Lateral]?

A

Medial surface of the mandibular ramus

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5
Q

What is the insertion of the Sternocleidomastoid [Sternal; Clavicular]?

A

Mastoid process

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6
Q

What is the origin of the Temporalis?

A

Frontal, temporal, parietal

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7
Q

What is the origin of the Sternocleidomastoid [Sternal; Clavicular]?

A

Sternum, clavicle

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8
Q

What is the origin of the Pterygoid [Medial; Lateral]?

A

Pterygoid plates of the sphenoid

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9
Q

What is the origin of the Masseter?

A

Zygomatic arch

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10
Q

What is the origin of the Rectus abdominis?

A

Pubic symphysis

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11
Q

What is the origin of the suprahyoid

A

Mandible, tongue, the floor of the braincase

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12
Q

What is the origin of the infrahyoid

A

Sternum, clavicle, larynx

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13
Q

Insertion of suprahyoid

A

Hyoid

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14
Q

Insertion of the infrahyoid

A

Hyoid

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15
Q

What is the action of the Temporalis?

A

Elevates and retracts mandible

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16
Q

What is the action of the Sternocleidomastoid [Sternal; Clavicular]?

A

Rotate head, flex neck

17
Q

What is the action of the Pterygoid [Medial; Lateral]?

A

Elevate, protract, translate mandible

18
Q

What is the action of the Masseter?

A

Elevate and protract mandible

19
Q

What is the action of the Rectus abdominis?

A

depress ribs, flex the vertebral column

20
Q

What is the action of the suprahyoid

A

elevate hyoid and depress mandible

21
Q

What is the action of the infrahyoid

A

depress hyoid and mandible

22
Q

What are the muscles of mastication?

A

Pterygoids, Temporalis, Masseter, Hyoids

23
Q

Action of Corrugator supercilii

A

Wrinkle brow

24
Q

Action of Nasalis

A

wrinkle the bridge of the nose

25
Q

Action of Orbicularis oculi

A

closes eye

26
Q

Action of Orbicularis oris

A

closes mouth

27
Q

Action of Buccinator

A

Compress cheeks

28
Q

Action of levator labii superioris

A

elevates the upper lip

29
Q

Action of Depressor labii inferioris

A

depresses lower lip

30
Q

Action of Zygomaticus

A

elevates the corner of the mouth

31
Q

Action of Platysma

A

Compresses neck/throat, depresses the mandible

Anatomy (BIOL-221) (5 decks)

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