Muscle Actions

Question 1

What is the primary action of medial rectus?

Answer 1

Adduction

Question 2

What is the primary action of the lateral rectus?

Answer 2

Abduction

Question 3

What is the primary, secondary and tertiary action of the superior rectus?

Answer 3

Elevation, intortion and adduction

Question 4

What are the primary, secondary and tertiary actions of the inferior rectus?

Answer 4

Depression, extortion and adduction

Question 5

What are the primary, secondary and tertiary actions of the superior oblique?

Answer 5

Intortion, depression and abduction

Question 6

What are the primary, secondary and tertiary actions of the inferior oblique?

Answer 6

Extortion, elevation and abduction