About eight to nine weeks ago I fell and hit my left knee. About a week after that I started to have pain in my left leg stemming from behind my knee. After four weeks of this pain which at this point had also spread to mid way down my calf and all the way up to my butt I went to my PCP. They did an ultrasound and an Xray of my left knee and lower leg. Both showed no problems. I was sent to a neurologist. He did an EMG and a nerve cunduction test. Both of these showed no nerve or muscle damage. I then had an MRI of my left knee and lower leg taken. The results said I had some scar tissue in my knee, so I was sent to an ortho. At this point about seven weeks after my pain had initially started my lower back had begun to hurt. I can't stand up straight it causes pain to shoot down my leg. I've missed a week of work due to the pain being so bad which didn't do much good. My job requires me standing alot and some moderate lifting. At first after a few hours of working the pain in my leg wo