By Chris Cinnamon ’82. Chicago Tai Chi LLC, December 2019. Available on Amazon. The Tai Chi for Knee Health System provides an exercise program for adults experiencing chronic knee pain from knee osteoarthritis, tendonitis, bursitis, patellofemoral syndrome, and other causes. It can be incorporated into prehab and rehab for knee surgery and knee replacement. This book combines time-tested Tai Chi principles with cutting edge scientific research to deliver a step-by-step program that anyone can do.