The sacroiliac joints, or SI joints, are susceptible to inflammation, called sacroiliitis, which may also be a symptom of other inflammatory arthritic conditions. Learn which types of arthritis can affect the SI joints.
Over 100 types of arthritis affect 46 million adults in the United States. Most types of arthritis are classified into one of two groups: degenerative arthritis or inflammatory arthritis.
This article describes 12 conditions that can cause knee swelling. Doctors may refer to knee swelling as “knee effusion,” and others may call it “water on the knee.”
Crepitus is the medical term for cracking or popping sounds in a joint such as the knee. Learn about crepitus pain symptoms and treatment in this article.