30 some years ago I was in a car accident and my spine was compressed I have suffered off and on for many years with cyatic nerve pain... two years ago I torn my menicus in two places had to postpone surgery and when went back doctor said was not necessary since now had full motion of leg pain minimal.. a few months ago reinjured knee but worked through it now have cyst behind knee pain back but doable 2 weeks ago started getting severe pain/cramping in upper thigh now so bad at times leg cramps so bad leg freezes trying to figure out if pain from knee or spine any thoughts