Posted 01 December 2003 - 01:43 AM
This make sense. The last portion of the large intestine is under control of the parasympathetic's sacral nerves. And the lower back is about where they emerge. Urination may also be affected.
I am not a doctor, but utilize sources of information not readily available to the public. Some of this information may contradict what you think you know and some of it may sound harsh, but the information is what it is, and you got it here for free. I am just a messenger. Always consult a real doctor.