Knee Osteoarthritis: Causes, Symptoms, Treatments Stages of Knee Osteoarthritis: Symptoms & Treatments Osteoarthritis of the knee: Stages, diagnosis, and treatment What is the best treatment for osteoarthritis in the knees? This book will teach you how to self massage your affected joint. Massage is a proven therapy for osteoarthritis. It has been shown to reduce swelling and inflammation leading to less pain and stiffness. This treatment will allow you to do more with less pain.