Due to having no padding, spinal vertebrae bones slip and rub together. leading to excruciating and disabling pain, And may cause sciatica (Leg torment) Due to pressure on the sciatic nerve in cramping, Pain and numbness along the small of the back and back of the thigh.from this day forward, medical professional. Roger h rtl, Director of the spine program at NewYork Presbyterian Hospital/Weill Cornell medical and assistant professor of neurological surgery at Weill Cornell Medical College, Is using a new and less invasive surgical procedure