Eye muscles and movements

Question 1

lateral rectus innervation

Answer 1

CN 6

abducens

Question 2

lateral rectus movement

Answer 2

abduction (moves eye away from nose)

Question 3

superior oblique innervation

Answer 3

CN 4

trochelar

Question 4

superior oblique primary movement

Answer 4

intorsion (rotates top of eye toward nose)

Question 5

superior oblique secondary movement

Answer 5

depression and bduction

Question 6

what eye muscles have CN 3 (oculomotor) for innervation?

Answer 6

all of them except lateral rectus and superior oblique

Question 7

inferior oblique primary movement

Answer 7

extorsion (rotates top of eye away nose)

Question 8

inferior oblique secondary movement

Answer 8

Elevation and abduction

Question 9

medial rectus primary movement?

Answer 9

adduction (eye toward nose)

Question 10

superior rectus primary movement?

Answer 10

elevation

Question 11

superior rectus secondary movement?

Answer 11

adduction

Question 12

inferior rectus primary movement?

Answer 12

depression

Question 13

inferior rectus secondary movement?

Answer 13

adduction

Question 14

levator palpebrae superioris movement?

Answer 14

elevation of eyelid