<prompt> True about superior oblique origin and inseion?Originate from common tendinous ring and inseed into sclera behind the equatorOriginate from the body of sphenoid and inseed into the sclera behind the equatorOriginate from lesser wing of sphenoid and inseed into sclera in front of equatorOriginate from greater wing of sphenoid and inseed into sclera in front of equator  <response>: Superior Oblique muscle: Origin : from body of sphenoid superomedial to optic canal - opening in lesser wing of sphenoid Inseion - Sclera of the eyeball posterior to equator of eyeball Trochlea gives trochlear nerve supplying S.O.M Actions of S.O.M: depression, abduction intorsion 