All About Knee Osteoarthritis: Key Causes, Symptoms, and Treatment Options Knee osteoarthritis (OA) is among the most common forms of arthritis impacting the knee joint, especially in older adults. Characterized by cartilage wear and bone damage, knee osteoarthritis leads to pain and restricted mobility. Being a major cause of disability, https://www.zupyak.com/p/4392837/t/understanding-knee-osteoarthritis-causes-symptoms-stages-and-effective-treatment-options