The sacroiliac joint (SIJ) is the joint between the pelvis and lower back. There is one on each side, and some people have a dimple in the area. Most people…
Arthritis means "joint inflammation" and is not one single condition. When patients hear the term "arthritis", they often think of the “wear and tear” changes seen in osteoarthritis (OA). But…
Ankylosing Spondylitis (AS) is a form of arthritis that primarily affects the spine and pelvis. It also causes inflammation where tendons meet bone, such as the Achilles tendon. Although back…