Day Wall Sit Challenge Fitness Workout Chart * This 30 day wall sit workout challenge has been designed as a great way to tone up and strengthen your leg and core muscles, by doing a simple exercise once per day." TAKE THE CHALLENGE! FEEL THE BURN!
Skip the elliptical and get more out of your cardio workout with this fast, fat-blasting plan for the Cybex Arc Trainer. This cardio machine gives you a total-body workout with little impact on your knees and joints.