Ankylosing Spondylitis is one of many types of chronic inflammatory and degenerative arthritis, affect the spine Ankylosing Spondylitis. Especially affects the joints linking the vertebrae of the spine and the joints linking the spine and the pelvis. It can also affect other joints of the body. The joints are primarily inflamed and this can be followed by progressive stiffness and inflexibility.
It ultimately leads to the fusion of the spine, giving everlasting painful stiffness of the back. It is often called bamboo spine, as the spine be apt get stiff like a bamboo. This condition is more common in males as compared to females and usually occurs in persons between 16 to 40 years of age.
These conditions are together referred to as "spondyloarthropathies."