Not a disease at all: It is a 'disorder' not a 'disease' of the sacroiliac joint.The sacrum (tailbone) sits between the 2 halves of the pelvis in the low back. It has 2 long joints, 1 with each half of the pelvis.If anything interferes with function of these joints: injury, malalignment, short leg syndrome, etc., inflammation can start which is very painful. A good osteopathic doc can often discern the cause & treat it.
Answered 7/30/2014
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