12 Week Weight Loss Cardio PlanTurn on the calorie burn with an intense cardio routine. Go for a run, hit the elliptical, take a class at the gym or try this calorie-burning cardio on the go workout. DVD recommendation: The FIRM Cardio Overdrive. In addition to burning fat and calories, this workout also contains light four-limb sets that tone the upper and lower body as well as the core.