Muscle A & I Flashcards

1
Q

Frontalis belly, epicranius

A

I: temporal branches of facial N
A: pulls scalp forward; wrinkles forehead and raises eyebrows

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2
Q

Corrugator Supercilii

A

I: temporal branches of facial N
A: draws eyebrow medial and down

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3
Q

Superior Auricular

A

I: temporal branches of facial N

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4
Q

Temporoparietalis

A

I: temporal branches of facial N

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5
Q

Orbital Part, Orbicularis Oculi

A

I: temporal and zygomatic branches of facial N

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6
Q

Palpebral Part, Orbicularis Oculi

A

I: temporal and zygomatic branches of facial N

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7
Q

Procerus

A

I: superior buccal branches of facial N
A: depress eyebrows medially

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8
Q

Compressor Naris

A

I: superior buccal branches of facial N
A:compress cartilage at bridge of nose

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9
Q

Dilatator Naris

A

I: superior buccal branches of facial N
A: widens, dilates nostrils and anterior nasal aperature

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10
Q

Depressor Septi

A

I: superior buccal branches of facial N
A: widens nostril

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11
Q

Levator Labii Superioris

A

I: buccal branches of facial N
A: raises and everts upper lip

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12
Q

Levator Labii superioris alaeque nasi

A

I: buccal branches of facial N
A: raises and everts upper lip; dilates nostril

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13
Q

Zygomaticus Minor

A

I: buccal branches of facial N
A: raises upper lip; produces nasolabial groove

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14
Q

Zygomaticus Major

A

I: buccal branches of facial N
A: draws angle of mouth up and out

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15
Q

Levator anguli oris

A

I: buccal branches of facial N
A: raises angle of mouth; produces nasolabial groove

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16
Q

Buccinator

A

I: buccal branches of facial N
A: compress cheeks against teeth

17
Q

Orbicularis oris

A

I: buccal and mandibular branches of facial N
A: close mouth; purse and protrude lips

18
Q

Risorius

A

I: buccal and mandibular branches of facial N
A: draws back angle of mouth

19
Q

Mentalis

A

I: mandibular branches of facial N
A: raises and protrudes lower lip

20
Q

Depressor labii inferioris

A

I: mandibular branches of facial N
A: draws lower lip down

21
Q

Depressor anglui oris

A

I: mandibular branches of facial N
A: draws corner of mouth down and out

22
Q

levator palpebra superioris

A

I: oculomotor N
A: elevates upper eyelid

23
Q

superior rectus

A

I: oculomotor N
A: elevate and adduct the cornea: intorsion

24
Q

inferior rectus

A

I: oculomotor N
A: depress and adduct the cornea; extorsion

25
Q

medial rectus

A

I: oculomotor N
A: adducts cornea

26
Q

Inferior Oblique

A

I: oculomotor N
A: elevate and abduct the cornea; extorison

27
Q

lateral rectus

A

I: abducent N
A: abduct cornea

28
Q

superior oblique

A

I: trochlear N
A: depress and abduct the cornea; intorsion

29
Q

Posterior auricular

A

I: posterior auricular branch of facial N

30
Q

Occipitalis belly, Epicranius

A

I: posterior auricular branch of facial N
A: pulls scalp backward

31
Q

temporalis

A

I: anterior and posterior deep temporal branches, mandibular division, trigeminal N
A: elevate and RETRACT mandible

32
Q

Masseter

A

I: masseteric branch, mandibular division, trigeminal N
A: elevate and PROTRACT mandible

33
Q

Medial Pterygoid

A

I: medial pterygoid branch, mandibular division, trigeminal N

A: elevate and protract mandible; assists in gliding or rotatory movement

34
Q

Lateral Pterygoid

A

I: lateral pterygoid branch, mandibular division, trigeminal N

A: protracts mandible; pulls discs forward; depress chin and assist in gliding or rotatory movement

35
Q

Anterior Scalene

A

I: ventral rami C2-C6

36
Q

Middle Scalene

A

I: ventral Rami C3-C8

37
Q

Serratus Posterior Inferior

A

I: intercostal N, ventral raimi T9-T11, subcostal N, ventral ramus T12

A: draws lower 4 ribs down and back; forced inspiration

38
Q

Serratus Posterior Superior

A

I: intercostal N ventral rami T2-T5
A: elevate upper 5 ribs in inspiration

39
Q

Quadratus Lumborum

A

I: ventral rami T12, L1-L3 or L4
A: steadies origin of diaphragm; when pelvis is fixed, it will laterally fle the L spine; bilaterally extends the L spine; stabilizes and dreesses the 12th rib