<prompt> Dow nward and outward movement of eyeball is caused byInferior obliqueSuperior obliqueLateral rectusMedial rectus  <response>: B Superior obliqueACTIONS OF THE EXTRAOCULAR MUSCLESMusclePrimary actionSubsidiary actionsMedial Rectus MRAdductionNoneLateral Rectus LRAbductionNoneSuperior Rectus SRElevation best when eye is in abducted positionIncycloduction intorsion and adductionInferior Rectus IRDepression best when eye is in abducted positionExcycloduction extortion and adductionSuperior Oblique SOIncycloduction intorsionDepression best when eye is in adducted position abductionInferior Oblique I0Excycloduction extortionElevation best when eye is in adducted position and abduction 