#Spondylolisthesis- 21 yo with 6 years of severe back and leg pain. Fractures of the bony arch led his L5-S1 disc to wear out and his spine to shift. The shifting, bone spurs, and disc protrusion created compression of the nerves. Xrays revealed excessive motion at the bottom two discs. Dr Cyr removed the unstable discs from the front and stabilized the spine with screws and rods from the back. The broken bone and bone spurs were removed to free the nerves. The result is a near perfect realignment of the spine and immediate relief of leg pain.