I have the exact same problem - my tailbone sticks out to where it's very painful to do things like traditional situps or Pilates roll ups. I work out on carpet and I bought a super thick Pilates mat (almost an inch) and that all seems to help, so maybe you can sit on a towel or a yoga mat that's folded over a few times? If I didn't have my mat I'd just skip the exercise; it's not worth the pain!
i love the ab jam workout but i'm having some trouble with a couple of the moves... toward the end she does some moves in a semi-reclined position on the floor. it's not my abs that can't handle it, it's my tailbone. no matter how much or little i sit back i can't seem to take the pressure off of my tailbone and it hurts a lot. anyone have any ideas on how i could modify these moves?
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