EOM Origins/Insertions/Actions

common ring tendon & optic nerve sheath

origin of medial rectus

common ring tendon and greater wing of sphenoid

origin of lateral rectus

common ring tendon and optic nerve sheath

origin of superior rectus

common ring tendon

origin of inferior rectus

lesser wing of sphenoid

anatomic origin of superior oblique

trochlea

physiologic origin of superior oblique

medial maxillary bone

origin of inferior oblique

anterior globe

insertion of medial rectus

anterior globe

insertion of lateral rectus

superior, anterior globe

insertion of superior rectus

inferior, anterior globe

insertion of inferior rectus

superior, posterior, lateral globe

insertion of superior oblique

inferior, posterior, lateral globe

insertion of inferior oblique

adduction

primary action of medial rectus

abduction

primary action of lateral rectus

elevation

primary action of superior rectus

depression

primary action of inferior rectus

intorsion

primary action of superior oblique

extorsion

primary action of inferior oblique

adduction, intorsion

secondary action of superior rectus

adduction, extorsion

secondary action of inferior rectus

depression, abduction

secondary action of superior oblique

elevation, abduction

secondary action of inferior oblique