Extraocular Muscles Flashcards Preview

Phase I Medicine > Extraocular Muscles > Flashcards

Flashcards in Extraocular Muscles Deck (24):
1

How does the medial rectus primarily move?

Adducts

2

How does the lateral rectus primarily move?

Abducts

3

How does the inferior rectus primarily move?

Depresses

4

How does the superior rectus primarily move?

Elevates

5

How does the inferior oblique primarily move?

Extorsion

6

How does the superior oblique primarily move?

Intorsion

7

What is the secondary movement of the inferior rectus?

Extorsion

8

What is the secondary movement of the superior rectus?

Intorsion

9

What is the overall movement of the superior oblique muscle?

'Down and out'

10

What is the overall movement of the superior rectus?

'Up and in'

11

What is the secondary movement of the inferior oblique?

Elevation

12

What is the secondary movement of the superior oblique?

Depression

13

What is the tertiary movement of the inferior oblique?

Abduction

14

What is the tertiary movement of the superior oblique?

Abduction

15

What movement do the oblique muscles have in common?

Abduction

16

What is the tertiary movement of the inferior rectus muscle?

Adduction

17

What is the tertiary movement of the superior rectus muscle?

Adduction

18

What movement do the superior and inferior rectus muscles have in common?

Adduction

19

What extra ocular muscles are capable of adduction (regardless of if it's the primary movement)?

Medial rectus
Inferior rectus
Superior rectus

20

What extraocular muscles are capable of abduction (regardless of if it's the primary movement)?

Inferior rectus
Superior oblique
Inferior oblique

21

What extra ocular muscles are capable of extorsion (Regardless of primary movement)?

Inferior rectus
Inferior oblique

22

What extra ocular muscles are capable of intorsion (Regardless of primary movement)?

Superior rectus
Superior oblique

23

What extra ocular muscles are capable of depression (Regardless of primary movement)?

Inferior rectus
Superior oblique

24

What extra ocular muscles are capable of elevation (Regardless of primary movement)?

Superior rectus
Inferior oblique