Written by Dr. Jeffrey Peng, MD — Board-Certified Sports Medicine Physician Published: March 4, 2026 | Last Updated: March 4, 2026 Knee osteoarthritis is one of the most common conditions I treat in my sports medicine practice, and one of the most important conversations I have with patients is about exercise. Many people with knee pain assume they should avoid physical activity altogether, but the evidence tells a very different story. Among all forms of aerobic exercise, c