👉 Spondylitis is a chronic inflammatory disorder of the spine, characterized by pain, stiffness, and tenderness. It can occur in various parts of the body, but it is most commonly associated with the lumbar region of the spine. The symptoms of spondylitis may include back pain that starts at the level of the vertebrae (the upper part of the spine), radiating down to the buttocks and lower back. The pain can also be accompanied by stiffness in the neck