If you have chronic pain in your knees, if they “snap, crackle, and pop” when you bend or extend them, or if they tend to hyperextend, you may have improper tracking of the kneecap. This misalignment causes the most common kind of chronic knee pain and damage to the knee joint, which develop slowly aver time. With a simple anatomy lesson, isometric exercises, and attention to alignment in standing poses, you can undo chronic pain in your knees. Click here for the full article by Doug Keller on chronic knee pain.