Radiating pain, muscle weakness, numbness and tingling in the extremities are all symptoms of a bulging or herniated disc, degenerative disc disease, spinal stenosis, foraminal stenosis arthritis in the spine or tissue build-up and bone spurs are all symptoms that may require a lumbar disc replacement surgery which restores your motion to the spine by replacing worn, degenerated disc relieving lower back pain, restoring balance and preserves range of motion.