Hi, may I answer your health queries right now ? Please type your query here...HI and thank you. I had a spinal fusion L4---S1 and laminectomy, bone grafts....2 years ago May 4...approx. 1 month ago I started to get toe cramps, and pain in my lower back that radiated around my pelvis...i am in lots of discomfort and pain...in PT now, and am worried that there is S2 involvement...any feelings??? thanks