👉 Osteoarthritic is a medical condition that affects the joints of the bones in the body, specifically affecting the tendons and ligaments. It can cause pain, stiffness, swelling, and sometimes loss of function in these joint areas. Osteoarthritis is the most common form of osteoarthritic disease, but other forms include rheumatoid arthritis, fibromyalgia, and ankylosing spondylitis.