Comprehending Knee Osteoarthritis: Its Causes, Symptoms, Stages, and Available Treatments Knee osteoarthritis (OA) is among the most common forms of arthritis impacting the knee joint, especially in older adults. This degenerative condition involves cartilage and underlying bone deterioration, causing pain, stiffness, and reduced mobility. Being a major cause of disability, https://www.zupyak.com/p/4392837/t/understanding-knee-osteoarthritis-causes-symptoms-stages-and-effective-treatment-options