when I do have a bowel movement then try to wipe my rear I am getting quite severe cramps in my back rib cage as if my ribs seize up, this feeling has been there for about 2- weeks ,but the situation is now starting to hurt more have to be careful not to twist to suddenly , once I do floor stretches it eases the pain, note I am a Parkinson s suffer , have been for 6 years, do you have an answer ??