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Block 6- SHANE > Muscle Tables > Flashcards

Muscle Tables Flashcards

1
Q

Origin of Anterior Digastric Belly

A

Digastric fossa of mandible

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2
Q

Insertion of Anterior Digastric Belly

A

Hyoid bone via the digastric tendon

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3
Q

Innervation of Anterior Digastric Belly

A

mylohyoid n. (CN V3)

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4
Q

Action of Anterior Digastric Belly

A

lowers mandible or raises hyoid

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5
Q

Origin of Posterior Digastric Belly

A

medial aspect of mastoid process

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6
Q

Insertion of Posterior Digastric Belly

A

Hyoid bone via the digastric tendon

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7
Q

Innervation of Posterior Digastric Belly

A

CN VII

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8
Q

Action of Posterior Digastric Belly

A

elevates and retracts hyoid

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9
Q

Origin of Mylohyoid

A

Mylohyoid line of mandible

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10
Q

Insertion of Mylohyoid

A

hyoid bone and mylohyoid raphe

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11
Q

Innervation of Mylohyoid

A

mylohyoid n. (CN V3)

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12
Q

Action of Mylohyoid

A

supports and elevates floor of mouth; raises hyoid

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13
Q

Origin of Geniohyoid

A

inferior mental spine of mandible

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14
Q

Insertion of Geniohyoid

A

hyoid bone

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15
Q

Innervation of Geniohyoid

A

C1 branch traveling with CN XII

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16
Q

Action of Geniohyoid

A

draws mandible and hyoid toward each other

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17
Q

Origin of Stylohyoid

A

styloid process

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18
Q

Insertion of Stylohyoid

A

body of the hyoid bone

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19
Q

Innervation of Stylohyoid

A

CN VII

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20
Q

Action of Stylohyoid

A

elevates and retracts hyoid

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21
Q

Origin of Hyoglossus

A

greater horn of the hyoid bone

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22
Q

Insertion of Hyoglossus

A

lateral tongue

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23
Q

Innervation of Hyoglossus

A

CN XII

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24
Q

Action of Hyoglossus

A

depresses and retracts the tongue

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25
Q

Origin of Genioglossus

A

superior mental spine

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26
Q

Insertion of Genioglossus

A

hyoid bone, tongue

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27
Q

Innervation of Genioglossus

A

CN XII

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28
Q

Action of Genioglossus

A

protrudes, depresses, and retracts the tongue

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29
Q

Origin of Styloglossus

A

styloid process

30
Q

Insertion of Styloglossus

A

lateral tongue

31
Q

Innervation of Styloglossus

A

CN XII

32
Q

Action of Styloglossus

A

retracts and elevates the tongue

33
Q

Origin of Palatoglossus

A

posterior margin of the hard palate, palatine aponeurosis

34
Q

Insertion of Palatoglossus

A

lateral tongue

35
Q

Innervation of Palatoglossus

A

CN X, pharyngeal branches

36
Q

Action of Palatoglossus

A

depresses the palate, elevates the back of the tongue

37
Q

Origin of Masseter

A

Zygomatic arch

38
Q

Insertion of Masseter

A

lateral angle of the mandible

39
Q

Innervation of Masseter

A

CN V3, Masseteric n.

40
Q

Action of Masseter

A

elevate mandible

41
Q

Origin of Temporalis

A

Temporal fossa and temporal fascia

42
Q

Insertion of Temporalis

A

coronoid process, rams of the mandible down to the 3rd molar tooth

43
Q

Innervation of Temporalis

A

CN V3, deep temporal nn.

44
Q

Action of Temporalis

A

elevate and retract mandible

45
Q

Origin of Medial Pterygoid

A

Deep Head: medial side of lateral pterygoid plate and pyramidal process of the palatine bone

Superficial Head: tuberosity and pyramidal process of the palatine bone

46
Q

Insertion of Medial Pterygoid

A

medial angle of the mandible

47
Q

Innervation of Medial Pterygoid

A

N. to the medial pterygoid from CN V3

48
Q

Action of Medial Pterygoid

A

Elevate and laterally move the mandible

49
Q

Origin of Lateral Pterygoid

A

Upper Head: roof of the infra temporal fossa

Lower Head: lateral surface of the lateral pterygoid plate

50
Q

Insertion of Lateral Pterygoid

A

Upper Head: TMJ Disc

Lower Head: Fovea of the Mandible

51
Q

Innervation of Lateral Pterygoid

A

N. to the lateral pterygoid from CN V3

52
Q

Action of Lateral Pterygoid

A

Protrude and laterally move the mandible

53
Q

Origin of Tensor Veli Palatini

A

Scaphoid fossa, entire length of fibrous part of auditory tube, spine of sphenoid

54
Q

Insertion of Tensor Veli Palatini

A

palatine aponeurosis

55
Q

Innervation of Tensor Veli Palatini

A

V3 branch to medial pterygoid

56
Q

Action of Tensor Veli Palatini

A

tense soft palate; open auditory tube

57
Q

Origin of Levator Veli Palatini

A

petrous part of the temporal bone anterior to carotid canal

58
Q

Insertion of Levator Veli Palatini

A

palatine aponeurosis

59
Q

Innervation of Levator Veli Palatini

A

CN X via pharyngeal plexus

60
Q

Action of Levator Veli Palatini

A

elevate soft palate

61
Q

Origin of Palatopharyngeus

A

palatine aponeurosis

62
Q

Insertion of Palatopharyngeus

A

Pharyngeal wall

63
Q

Innervation of Palatopharyngeus

A

CN X via pharyngeal plexus

64
Q

Action of Palatopharyngeus

A

depress soft palate or elevate pharynx; narrow fauces

65
Q

Origin of Palatoglossus

A

palatine aponeurosis

66
Q

Insertion of Palatoglossus

A

lateral tongue

67
Q

Innervation of Palatoglossus

A

CN X via pharyngeal plexus

68
Q

Action of Palatoglossus

A

depress soft palate or elevate rear of tongue; narrow fauces

69
Q

Origin of Musculus Uvulae

A

central posterior hard palate (posterior nasal spine)

70
Q

Insertion of Musculus Uvulae

A

uvula

71
Q

Innervation of Musculus Uvulae

A

CN X via pharyngeal plexus

72
Q

Action of Musculus Uvulae

A

Thickens central soft palate, shortens uvula

Block 6- SHANE (29 decks)

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