Origin
Common tendinous ring.
Insertion
Anterior part of the sclera – inferior surface.
Blood Supply
Ophthalmic artery.
Nerve supply
Occulomotor nerve.
Action
It helps to move the eye in different directions like downward direction, externally, i.e., away from the center of the body and inwards, i.e., towards the nose.
Disease/Injury
Injury to the orbit of eye while playing sports can cause injury to inferior rectus muscle and lead to strabismus (squint).
Muscle exercise
Rotate your eyes in clockwise direction 3 to 5 times then rotate in opposite direction. Then close the eyes and rest for a few moments to prevent dizziness. You can practice it on a daily basis.
Interesting facts
Weak muscle can cause blurring of vision and tiredness of eyes.
