Burn fat, tone muscles and de-stress your life with this energizing low-impact workout developed by &NFi;Prevention&NFi_; magazine. Geared toward both beginners and advanced exercisers, the program includes cardio, strengthening and yoga. Fitness expert Chris Freytag leads viewers through a series of routines -- including upper body and lower body toning, core building and low-impact cardio -- that can be done all at once or broken up into shorter workouts.