hello, I FELT A SNAP ON BY BUTT BONE AND I ALSO FELT THE NERVE RETRACT INTO THE MUSCLE ,NO PAIN THAT DAY BUT NEXT DAY PAIN IN LOWER BACK, SINCE THEN WORSE PAIN IN LOWER BACK PAIN IN BACK OF LEGS, AND IN CALVES TINGLING IN FEET THEN NUMBNESS, THEN BURNING FEELING IN FEET ALL THIS IN THE PAST 6 MONTHS HAD MRI SEE DARK DISK INJECTION DONE NO HELP SAME PAIN