Practical II Muscles and Action Flashcards Preview

Spinal Anatomy Summer 2015 > Practical II Muscles and Action > Flashcards

Flashcards in Practical II Muscles and Action Deck (29)
1

Frontalis Belly, Epicranius

Pulls scalp forward, wrinkles forehead and raises eyebrows

2

Occipitalis Belly, Epicranius

Pulls scalp backwards

3

Procerus

Depress eyebrows medially

4

Compressor Naris

Compress cartilage at bridge of nose

5

Dilatator Naris

Widens, dilates nostrils and anterior nasal aperature

6

Depressor Septi

Widens nostril

7

Corrugator Supercillii

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

8

Levator Labii Superioris

Raises and everts upper lip

9

Levator Labii Superioris Alaeque Nasi

Raises and everts upper lip; dilates nostril

10

Zygomaticus Minor

Raises upper lip; produces nasolabial groove

11

Zygomaticus Major

Draws angle of mouth up and out

12

Leator Anguli Oris

Raises angle of mouth; produces nasolabial groove

13

Orbicularis Oris

Close mouth; purse and protrude lips

14

Buccinator

Compress cheeks against teeth

15

Risorius

Draws back angle of mouth

16

Mentalis

Raises and protrudes lower lip

17

Depressor Labii Inferioris

Draws lower lip down

18

Depressor Anguli Oris

Draws corner of mouth down and out

19

Levator Palpebra Superioris

Elevates upper eyelid

20

Superior Rectus

Elevate and adduct the cornea; intorsion

21

Inferior Rectus

Depress and adduct the cornea; extorsion

22

Medial Rectus

Adducts cornea

23

Lateral Rectus

Abducts cornea

24

Superior Oblique

Depress and abduct the cornea; intorsion

25

Inferior Oblique

Elevate and abduct the cornea; extorsion

26

Temporalis

Elevate and retract mandible

27

Masseter

Elevate and protract mandible

28

Medial Pterygoid

Elevate and protract mandible; assits in gliding or rotatory movement

29

Lateral Pytergoid

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

Decks in Spinal Anatomy Summer 2015 Class (67):