EYE MUSCLE LIST Flashcards Preview

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Flashcards in EYE MUSCLE LIST Deck (18)
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1

actions of lateral rectus

abducts the eyeball (move outwards)

2

actions of the medial rectus

adducts the eyeball (moves inwards)

3

actions of the superior rectus

elevates, intorsion and rotates medially the eye

4

actions of the inferior rectus

depression and abduction

5

actions of the superior oblique

intorsion, also abducts and depresses eyeball

6

origins of the lateral rectus

annulus of zinn

7

origins of the medial rectus

annulus of zinn

8

origins of the superior rectus

annulus of zinn

9

origins of the inferior rectus

annulus of zinn

10

origins of the inferior oblique

orbital surface of maxilla, lateral to lacrimal groove

11

origins of superior oblique

annulus of zinn

12

insertions of lateral rectus

7 mm temporal to limbus

13

insertions of the medial rectus

5.5 mm medial to the limbus

14

insertions of the superior rectus

7.5 mm superior to limbus

15

insertions of the inferior rectus

6.5 mm inferior to limbus

16

insertions of the inferior oblique

laterally onto eyeball, deep into lateral rectus, via short flat tendon

17

insertions of superior oblique

outer posterior quadrant of eyeball

18

actions of the inferior oblique

extorsion, elevation, abduction