Understanding Knee Osteoarthritis: Causes, Symptoms, Stages, and Effective Treatment Options 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. This disabling condition requires informed... https://www.zupyak.com/p/4392834/t/understanding-knee-osteoarthritis-causes-symptoms-stages-and-effective-treatment-options