Eye see you want to learn this, read below Mnemonic SO4 LR6 REST3 SO4 = SO (superior oblique muscle) 4 for supply by the 4th Cranial Nerve, Trochlear Nerve. LR6 = LR (lateral rectus muscle) 6 is supplied by the 6th Cranial Nerve, Abducens Nerve And that is all you need to know because the REST are all 3rd Cranial Nerve, Oculomotor Nerve. Lots more to review, much more to come! Don't forget to check out our videos on REV MED's YouTube channel, Subscribe now! (LINK IN BIO) Instagram @rev.med