Explore the pathophysiology of osteoarthritis (OA) in this 14-minute animated video lecture. Delve into the biomechanical degeneration of cartilage and matrix, understand the difference between primary and secondary OA, and learn about characteristic features like osteophytes, Heberden nodes, and Bouchard nodes. Discover the risk factors, types of collagen involved, and changes in chondrocytes associated with OA. Examine the diagnostic approach, including clinical and radiological methods, and debunk common myths surrounding this degenerative joint disease. Gain valuable insights into the most common rheumatological condition through engaging visuals and comprehensive explanations.