MuscleExtraocular muscles

Inferior rectus

Latin: M. rectus inferior

Location: Head

View the inferior rectus in 3D

Origin

Common tendinous ring.

Insertion

Sclera of the inferior eye.

Action

Depresses, adducts and extorts the eye.

Nerve supply

Oculomotor nerve (CN III) — inferior division.

Blood supply

Ophthalmic artery.

Clinical relevance

Blowout fractures of the orbital floor trap it — restricted upgaze with diplopia and enophthalmos.

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