When I sit on the birthing ball, I think baby girl gets a moving because it gives her extra room. I have to plant my feet wide to balance and it allows my belly to drop and have nothing pushing up on it (like my legs normally do). My belly takes on a life of its own - rolling back and forth with her movements. Is she dancing? Playing soccer? Swimming? Doing yoga poses? Kickboxing? I don't know - but I hope she's having fun!
Here's the view I have of my bare belly: