Origin
Maxillary floor of the orbit.
Insertion
Posterior sclera – inferolaterally.
Blood supply
Ophthalmic artery.
Nerve supply
Occulomotor nerve.
Action
It helps to rotate the eye externally away from the center of the body. It also moves the eye upwards and outwards.
Disease/Injury
Muscle can get injured during cataract surgery, from local anesthesia.
Muscle exercise
Figure eight exercise for strengthening eyes. Trace figure 8 on the floor about 10 feet away from you, without moving your head. Practice it 5 times a day.
Interesting facts
NA