Increase Your Endurance to go the Distance Workout Boxing is a wonderful way to increase your cardiovascular system, tone your arms and back and basically keep in great shape. Jackie Chan and XaviX have teamed up to bring you and your family interactive boxing that combines several key exercises with in the ring action. You will get a great workout with Jackie Chan as your trainer in the Comfort of your Home while you tone your body and improve your overall endurance in the process.