Yoke muscle of right superior oblique is-
Ans. is 'b' i.e., Left inferior rectus * Yoke muscles (contralateral synergists). It refers to the pair of muscles (one from each eye) which contract simultaneously during version movements. For example, right lateral rectus and left medial rectus act as yoke muscles for dextroversion movements. Other pair of yoke mscles are: right MR and left LR, right LR and Left MR, right SR and left JO, right IR and left SO, right SO ad left IR, and right IO and Left SR.
Ocular Motility
Left superior rectus
Left inferior rectus
Right superior rectus
Left lateral rectus
Left inferior rectus