I LOVE rollercoaster type rides. I LOVE Disney! But, I also can break a rib bending over the side of my chair to pick something up. So I would be very careful. I make sure that all the security bars are really tight so that I don't have any slop and I try to not have any jarring motion. I do skip the really rough rides. I am a bit of a chicken so I tend to have my eyes closed so that my help because I'm not tensing up in anticipation of a bad turn. I have never had an injury from a ride, just from being stupid like bending out of my car window.