Understanding Spondyloarthritis and How TheTole Can Help Spondyloarthritis (SpA) is a group of inflammatory rheumatic diseases that primarily affect the spine and, in some cases, the joints of the arms and legs. This condition can also involve the areas where tendons and ligaments attach to bones, known as entheses. What Is Spondyloarthritis? Spondyloarthritis is an autoimmune disorder in which the…