9K views · 92 reactions | Ankylosing spondylitis (AS) is a chronic inflammatory disease causing axial arthritis, frequently resulting in inflammatory low back pain early in the disease course, with eventual severe impairment of spinal mobility due to structural changes ultimately leading to spinal fusion. In the second of our five part series on Ankylosing Spondylitis, Dr. Cohen discusses the common signs and symptoms of this condition. | Johns Hopkins Rheumatology | Facebook