Sareca, you just need to get a bit disjointed. I always have my hands/arms on one side of my head or the other - whichever I'm working on; I never hold them apart like one does when cornrowing. So even when doing the nape, I just turn my head sorta like the Exorcist chick to look over one shoulder and then bring hands to the side from which I've turned my face (opposite arm crossing my chest) and reach to the name then I twist from the end of my to the center of nape. Then I "spin" my head the other way to look over the other shoulder and bring hands to other side of face (opposite arm crossing my chest) and I do the same on the other side. If I tried to do it with elbows out arms on either side, I think I'd be all thumbs. Could that be what you're doing, Sareca?