In Plankexercise: Alternative to sit-ups and crunches? | MyFitnessPal.com

My gym has a weight machine that is supposed to work your abs, but I never seem to feel a good burn when I use it so the other day I decided to try doing some traditional sit-ups. I found that I could do them, but it hurt my tailbone! I put a pillow under there to try and cushion it, but it still wasn't that great. Posts by members, moderators and admins should not be considered medical advice and ...Plankexercise