andlt;strongandgt;Arthritis of the spine.andlt;/strongandgt; Frontal coloured 3Dcomputed tomography (CT) scan of the spine of a 75year old with osteoarthritis. The space betweenthe second and third vertebrae (blocks) frombottom is greatly reduced at right. This putspressure on the intervertebral discs and thespinal cord, causing great pain, stiffness andparalysis. Arthritis is associated with aging andmechanical wear and tear. Treatment is with anti-inflammatory drugs and physiotherapy. In severecases surgery may be needed to repair the spine.