Extrinsic Eye Muscles

Question 1

What is the action of the inferior oblique and where does it innervate

Answer 1

elevates eye, rotates laterally; innervates at CN III

Question 2

What is the action of the inferior rectus and where does it innervate

Answer 2

depresses eye; innervates at CN III

Question 3

What is the action of the medial rectus and where does it innervate

Answer 3

moves eye medially; innervates CN III

Question 4

What is the action of the lateral rectus and where does it innervate

Answer 4

moves eye laterally; innervates at CN VI

Question 5

What is the action of the superior oblique and where does it innervate

Answer 5

depresses eye, rotates laterally; innervates at CN IV

Question 6

What is the action of the superior rectus and where does it innervate

Answer 6

elevates eye; innervates CN III