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Block 6- SHANE > Muscle Tables > Flashcards

Flashcards in Muscle Tables Deck (72)
1

Origin of Anterior Digastric Belly

Digastric fossa of mandible

2

Insertion of Anterior Digastric Belly

Hyoid bone via the digastric tendon

3

Innervation of Anterior Digastric Belly

mylohyoid n. (CN V3)

4

Action of Anterior Digastric Belly

lowers mandible or raises hyoid

5

Origin of Posterior Digastric Belly

medial aspect of mastoid process

6

Insertion of Posterior Digastric Belly

Hyoid bone via the digastric tendon

7

Innervation of Posterior Digastric Belly

CN VII

8

Action of Posterior Digastric Belly

elevates and retracts hyoid

9

Origin of Mylohyoid

Mylohyoid line of mandible

10

Insertion of Mylohyoid

hyoid bone and mylohyoid raphe

11

Innervation of Mylohyoid

mylohyoid n. (CN V3)

12

Action of Mylohyoid

supports and elevates floor of mouth; raises hyoid

13

Origin of Geniohyoid

inferior mental spine of mandible

14

Insertion of Geniohyoid

hyoid bone

15

Innervation of Geniohyoid

C1 branch traveling with CN XII

16

Action of Geniohyoid

draws mandible and hyoid toward each other

17

Origin of Stylohyoid

styloid process

18

Insertion of Stylohyoid

body of the hyoid bone

19

Innervation of Stylohyoid

CN VII

20

Action of Stylohyoid

elevates and retracts hyoid

21

Origin of Hyoglossus

greater horn of the hyoid bone

22

Insertion of Hyoglossus

lateral tongue

23

Innervation of Hyoglossus

CN XII

24

Action of Hyoglossus

depresses and retracts the tongue

25

Origin of Genioglossus

superior mental spine

26

Insertion of Genioglossus

hyoid bone, tongue

27

Innervation of Genioglossus

CN XII

28

Action of Genioglossus

protrudes, depresses, and retracts the tongue

29

Origin of Styloglossus

styloid process

30

Insertion of Styloglossus

lateral tongue

31

Innervation of Styloglossus

CN XII

32

Action of Styloglossus

retracts and elevates the tongue

33

Origin of Palatoglossus

posterior margin of the hard palate, palatine aponeurosis

34

Insertion of Palatoglossus

lateral tongue

35

Innervation of Palatoglossus

CN X, pharyngeal branches

36

Action of Palatoglossus

depresses the palate, elevates the back of the tongue

37

Origin of Masseter

Zygomatic arch

38

Insertion of Masseter

lateral angle of the mandible

39

Innervation of Masseter

CN V3, Masseteric n.

40

Action of Masseter

elevate mandible

41

Origin of Temporalis

Temporal fossa and temporal fascia

42

Insertion of Temporalis

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

43

Innervation of Temporalis

CN V3, deep temporal nn.

44

Action of Temporalis

elevate and retract mandible

45

Origin of Medial Pterygoid

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

Insertion of Medial Pterygoid

medial angle of the mandible

47

Innervation of Medial Pterygoid

N. to the medial pterygoid from CN V3

48

Action of Medial Pterygoid

Elevate and laterally move the mandible

49

Origin of Lateral Pterygoid

Upper Head: roof of the infra temporal fossa

Lower Head: lateral surface of the lateral pterygoid plate

50

Insertion of Lateral Pterygoid

Upper Head: TMJ Disc

Lower Head: Fovea of the Mandible

51

Innervation of Lateral Pterygoid

N. to the lateral pterygoid from CN V3

52

Action of Lateral Pterygoid

Protrude and laterally move the mandible

53

Origin of Tensor Veli Palatini

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

54

Insertion of Tensor Veli Palatini

palatine aponeurosis

55

Innervation of Tensor Veli Palatini

V3 branch to medial pterygoid

56

Action of Tensor Veli Palatini

tense soft palate; open auditory tube

57

Origin of Levator Veli Palatini

petrous part of the temporal bone anterior to carotid canal

58

Insertion of Levator Veli Palatini

palatine aponeurosis

59

Innervation of Levator Veli Palatini

CN X via pharyngeal plexus

60

Action of Levator Veli Palatini

elevate soft palate

61

Origin of Palatopharyngeus

palatine aponeurosis

62

Insertion of Palatopharyngeus

Pharyngeal wall

63

Innervation of Palatopharyngeus

CN X via pharyngeal plexus

64

Action of Palatopharyngeus

depress soft palate or elevate pharynx; narrow fauces

65

Origin of Palatoglossus

palatine aponeurosis

66

Insertion of Palatoglossus

lateral tongue

67

Innervation of Palatoglossus

CN X via pharyngeal plexus

68

Action of Palatoglossus

depress soft palate or elevate rear of tongue; narrow fauces

69

Origin of Musculus Uvulae

central posterior hard palate (posterior nasal spine)

70

Insertion of Musculus Uvulae

uvula

71

Innervation of Musculus Uvulae

CN X via pharyngeal plexus

72

Action of Musculus Uvulae

Thickens central soft palate, shortens uvula