Spinal Practical 2 Flashcards Preview

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Flashcards in Spinal Practical 2 Deck (65):
1

Frontalis belly, epicranius; Innervation

Temporal branches of facial nerve

2

Frontalis belly, epicranius; Action

Pulls scalp forward; wrinkles forehead & raises eyebrows

3

Occipitalis belly, epicranius; Innervation

Posterior auricular branch of facial nerve

4

Occipitalis belly, epicranius; Action

Pulls scalp backward

5

Corrugator supercilii; Innervation

Temporal branches of facial nerve

6

Corrugator supercilii; Action

Draws eyebrow medial & down (forms vertical furrow between eyebrows)

7

Procerus; Innervation

Superior buccal branches of facial nerve

8

Procerus; Action

Depress eyebrows medially

9

Palpebral part, orbicularis oculi; Innervation

Temporal & zygomatic branches of facial nerve

10

Orbital part, orbicularis oculi; Innervation

Temporal & zygomatic branches of facial nerve

11

Compressor naris; Innervation

Superior buccal branches of facial nerve

12

Compressor naris; Action

Compress cartilage at bridge of nose

13

Dilatator naris; Innervation

Superior buccal branches of facial nerve

14

Dilatator naris; Action

Widens, dilates nostrils & anterior nasal aperture

15

Levator labii superiors alaeque nasi; Innervation

Buccal branches of facial nerve

16

Levator labii superiors alaeque nasi; Action

Raises & everts upper lip; dilates nostril

17

Depressor septi; Innervation

Superior buccal branches of facial nerve

18

Depressor septi; Action

Widens nostril

19

Orbicularis oris; Innervation

Buccal & mandibular branches of facial nerve

20

Orbicularis oris; Action

Close mouth; purse & protrude lips

21

Buccinator; Innervation

Buccal branches of facial nerve

22

Buccinator; Action

Compress cheeks against teeth

23

Levator labii superioris; Innervation

Buccal branches of facial nerve

24

Levator labii superioris; Action

Raises & everts upper lip

25

Risorius; Innervation

Buccal & mandibular branches of facial nerve

26

Risorius; Action

Draws back angle of mouth

27

Zygomaticus minor; Innervation

Buccal branches of facial nerve

28

Zygomaticus minor; Action

Raises upper lip; produces nasolabial groove

29

Levator anguli oris; Innervation

Buccal branches of facial nerve

30

Levator anguli oris; Action

Raises angle of mouth; produces nasolabial groove

31

Zygomaticus major; Innervation

Buccal branches of facial nerve

32

Zygomaticus major; Action

Draws angle of mouth up and out

33

Depressor labii inferioris; Innervation

Mandibular branches of facial nerve

34

Depressor labii inferioris; Action

Draws lower lip down

35

Mentalis; Innervation

Mandibular branches of facial nerve

36

Mentalis; Action

Raises & protrudes lower lip

37

Superior rectus; Innervation

Oculomotor nerve

38

Superior rectus; Action

Elevate & adduct the cornea; intorsion

39

Medial rectus; Innervation

Oculomotor nerve

40

Medial rectus; Action

Adducts cornea

41

Lateral rectus; Innervation

Abducent nerve

42

Lateral rectus; Action

Abducts cornea

43

Inferior rectus; Innervation

Oculomotor nerve

44

Inferior rectus; Action

Depress & adduct the cornea; extorsion

45

Superior oblique; Innervation

Trochlear nerve

46

Superior oblique; Action

Depress & abduct the cornea; intorsion

47

Inferior oblique; Innervation

Oculomotor nerve

48

Inferior oblique; Action

Elevate & abduct the cornea; extorsion

49

Levator palpebrae superioris; Innervation

Oculomotor nerve

50

Levator palpebrae superioris; Action

Elevates upper eyelid

51

Temporoparietalis; Innervation

Temporal branches of facial nerve

52

Superior auricular; Innervation

Temporal branches of facial nerve

53

Posterior auricular; Innervation

Posterior auricular branch of facial nerve

54

Masseter; Innervation

Masseteric branch, mandibular division, trigeminal nerve

55

Masseter; Action

Elevate & protract mandible

56

Temporalis; Innervation

Anterior & posterior deep temporal branches, mandibular division, trigeminal nerve

57

Temporalis; Action

Elevate & retract mandible

58

Lateral pterygoid; Innervation

Lateral pterygoid branch, mandibular division, trigeminal nerve

59

Lateral pterygoid; Action

Protracts mandible; pulls disc forward; depress chin & assist in gliding or rotatory movement

60

Medial pterygoid; Innervation

Medial pterygoid branch, mandibular division, trigeminal nerve

61

Medial pterygoid; Action

Elevate & protract mandible; assists in gliding or rotatory movement

62

Anterior Scalene; Innervation

Ventral rami C2-C6

63

Middle Scalene; Innervation

Ventral rami C3-C8

64

Depressor Anguli Oris; Innervation

Mandibular branches of facial nerve

65

Depressor Anguli Oris; Action

draws corner of mouth down & out