Extraocular muscles

Question 1

Name the cranial N and motion of the following muscle: SUPERIOR RECTUS

Answer 1

CN3

elevates, ADDucts, medially rotates

Question 2

Name the cranial N and motion of the following muscle: INFERIOR RECTUS

Answer 2

CN3

depresses, ADDucts, laterally rotates

Question 3

Name the cranial N and motion of the following muscle: MEDIAL RECTUS

Answer 3

CN3

ADDucts

Question 4

Name the cranial N and motion of the following muscle: INFERIOR OBLIQUE

Answer 4

CN3

Elevates, ABDucts, laterally rotates

Question 5

Name the cranial N and motion of the following muscle: LEVATOR PALPEBRAE SUPERIORIS

Answer 5

CN3

Raises eyebrows

Question 6

Name the cranial N and motion of the following muscle: SUPERIOR OBLIQUE

Answer 6

SO4 = CN4 (Trochlear)
DOWN & OUT
Depresses, ABDucts, medially rotates

Question 7

Name the cranial N and motion of the following muscle: LATERAL RECTUS

Answer 7

LR6 = CN6 (Abducens)

ABDucts eye

Question 8

List the various cranial nerve nuclei responsible for eye movements

Answer 8

Abducens nucleus
Trochlear nucleus
Oculomotor nucleus.