More positions for armour stands

I’ve been using armour stands a lot more recently, and I’ve noticed that there aren’t many positions to use. Im wondering if more positions could be added? Maybe like one where it’s in the sneaking position like the player can? Or one like it’s giving an item to another? My reason is that I’m building the achievements and it’s getting a little hard to get them good with such a limited amount of way to make the stands look.