Describes and shows common sites of osteoarthritis and rheumatoid arthritis. Shows right knee with osteoarthritis and one with rheumatoid arthritis next to a normal right knee. Illustrates hands and hips osteoarthritis and with rheumatoid arthritis. Lists warning signs or arthritis. SHows ankylosing spondylitis, gout and systemic lupus erythematosus. Provides descriptions of related disorders (fibromyalgia, myofascial pain, bursitis, and tendonitis) and an illustration of shoulder anatomy.