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Spinal Lab Practical > Muscles LAB 2 > Flashcards

Muscles LAB 2 Flashcards

1
Q

Frontalis Belly, Epicranius

A

Action: pulls scalp forward; wrinkles forehead and raises eyebrows

Innervation: Temporal branches of facial nerve

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2
Q

Corrugator Supercilii

A

Action: Draws eyebrow medial and down (forms vertical furrow between eyebrows)

Innervation: Temporal branches of facial nerve

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3
Q

Superior Auricular

A

Action: N/A

Innervation: temporal branches of facial nerve

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4
Q

Temporoparietalis

A

Action: N/A

Innervation: temporal branches of facial nerve

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5
Q

Orbital Part, Orbicularis Oculi

A

Action: N/A

Innervation: temporal and zygomatic branches of facial nerve

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6
Q

Peripheral Part, Orbicularis Oculi

A

Action: N/A

Innervation: temporal and zygomatic branches of facial nerve

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7
Q

Procerus

A

Action: depresses eyebrow medially

Innervation: Superior buccal branches of facial nerve

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8
Q

Compressor Naris

A

Action: compress cartilage at bridge of nose

Innervation: Superior buccal branches of facial nerve

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9
Q

Dilatator Naris

A

Action: widens, dilates nostrils and anterior nasal aperture

Innervation: superior buccal branches of facial nerve

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10
Q

Depressor Septi

A

Action: widens nostrils

Innervation: superior buccal branches of facial nerve

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11
Q

Levator Labii Superioris

A

Action: raises and everts upper lip

Innervation: buccal branches of facial nerve

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12
Q

Levator Labii Superioris Alaeque Nasi

A

Action: raises and everts upper lip; dilates nostril

Innervation: buccal branches of facial nerve

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13
Q

Zygomaticus Minor

A

Action: raises upper lip; produces nasolabial groove

Innervation: buccal branches of facial nerve

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14
Q

Zygomaticus Major

A

Action: draws angle of mouth up and out

Innervation: buccal branches of facial nerve

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15
Q

Levator Anguli Oris

A

Action: raises angle of mouth; produces nasolabial groove

Innervation: buccal branches of facial nerve

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16
Q

Buccinator

A

Action: compress cheeks against teeth

Innervation: buccal branches of facial nerve

17
Q

Orbicularis Oris

A

Action: close mouth; purse and protrude lips

Innervation: buccal and mandibular branches of facial nerve

18
Q

Risorius

A

Action: draws back angle of mouth

Innervation: buccal and mandibular branches of facial nerve

19
Q

Mentalis

A

Action: raises and protrudes lower lip

Innervation: mandibular branches of facial nerve

20
Q

Depressor Labii Inferioris

A

Action: draws lower lip down

Innervation: mandibular branches of facial nerve

21
Q

Depressor Anguli Oris

A

Action: draws corner of mouth down and out

Innervation: mandibular branches of facial nerve

22
Q

Levator Palpebra Superioris

A

Action:elevates upper eyelid

Innervation: oculomotor nerve

23
Q

Superior Rectus

A

Action: elevates and adducts the cornea; intorsion

Innervation: oculomotor nerve

24
Q

Inferior Rectus

A

Action: depress and adducts the cornea; extorsion

Innervation: Oculomotor nerve

25
Q

Medial Rectus

A

Action: adducts cornea

Innervation: Oculomotor nerve

26
Q

Inferior Oblique

A

Action: elevates and abducts the cornea; extorsion

Innervation: Oculomotor nerve

27
Q

Lateral Rectus

A

Action: abducts cornea

Innervation: Abducent nerve

28
Q

Superior Oblique

A

Action: depress and abducts cornea; intorsion

Innervation: Trochlear nerve

29
Q

Posterior Auricular

A

Action: N/A

Innervation: posterior auricular branch of facial nerve

30
Q

Occipitalis Belly, Epicranius

A

Action: N/A

Innervation: posterior auricular branch of facial nerve

31
Q

Temporalis

A

Action: elevate and retract mandible

Innervation: anterior and posterior deep temporal branches, mandibular division, trigeminal nerve

32
Q

Masseter

A

Action: elevate and protract mandible

Innervation: masseteric branch, mandibular division, trigeminal nerve

33
Q

Medial Pterygoid

A

Action: elevate and protract mandible; assist in gliding or rotary movement

Innervation: medial pterygoid branch, mandibular division, trigeminal nerve

34
Q

Lateral Pterygoid

A

Action: protracted mandible; pulls disc forward; depress chin and assist in gliding or rotary movement

Innervation: later Pterygoid branch, mandibular division, trigeminal nerve

35
Q

Anterior Scalene

A

Action: N/A

Innervation: ventral rami C2-C6

36
Q

Middle Scalene

A

Action: N/A

Innervation: ventral rami C3-C8

Spinal Lab Practical (3 decks)

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