My pain is in the lower lumbar of my back and that is where the LUMBAR FUSION was done about 3 1/2 years ago.. The pain / burning sensation radiates up my back. Dr told me that this radiating pain could be coming from the wear on the SI area (noticed on the MRI and CT scan ) and that is why he, Dr, recommended the SI STEROID INJECTION. which did NOT help at all. I also have the leg weakness. At Dr suggestion I did try physical therapy, I tried P/T but that did NOT work. I walk with pain all of the time. A friend suggested for the pain - Tylenol Arthritis 8 HR. - I got some yesterday and I'm going to try this as the TRAMADOL just took the EDGE off for the pain. I am most definitely going to check-out the Myofascial Release Therapy. to see what that is all about.