What is arthritis in the spine?
Most cases of arthritis in the spine are degenerative; however, a few cases of spinal arthritis involve rheumatoid arthritis. This form of arthritis affects younger people than those who get osteoarthritis, and the soft tissue of the joints can swell and affect organs. Rheumatoid arthritis may cause severe damage to the spines joints. This cause of spinal arthritis is rare, says the National Institute of Arthritis and Musculoskeletal and Skin Diseases.
Sources: niams.nih.gov, webmd.com