Ideally, we recommend doing two strength training workouts weekly of 30 to 40 minutes each in addition to 2 or 3 high intensity cardio workouts weekly of less than 20 minutes each. (lasting-weight-loss.com)
This is coupled with an afternoon high intensity cardio workout on most days. (popworkouts.com)
Melt off layers of stubborn body fat, by harnessing the fat - blasting power of high intensity cardio workouts, which you can do right from home (tomcoffeyfitness.com)