MuscleExtraocular muscles

Superior rectus

Latin: M. rectus superior

Location: Head

View the superior rectus in 3D

Origin

Common tendinous ring at the optic canal.

Insertion

Sclera anterior to the equator (superior surface).

Action

Elevates, adducts and intorts the eye.

Nerve supply

Oculomotor nerve (CN III) — superior division.

Blood supply

Ophthalmic artery.

Clinical relevance

Its weakness or overaction causes vertical strabismus; Brown syndrome (a tight superior oblique tendon) mimics its weakness by limiting elevation in adduction.

Educational anatomy reference, not medical advice. About this content.