Can arthritis be anywhere in the body besides a joint?

Arthritis is a joint disorder that causes inflammation, pain, stiffness, and swelling. It can affect any joint in the body, including those in the hands, feet, spine, knees, and hips. However, arthritis can also affect other parts of the body besides joints, such as the muscles, tendons, and ligaments. For example, some types of arthritis, such as psoriatic arthritis, can cause inflammation in the skin, eyes, and other organs. Additionally, some types of arthritis, such as rheumatoid arthritis, can cause systemic symptoms, such as fatigue, weight loss, and fever.