Tabata is a type of interval training that brings your heart rate up and gets you a workout in just 4 minutes. Here's a great fat-blasting Tabata workout for people who don't have a lot of t (Beauty People Fat)
Ashley Conrad's Fat-Burning, Muscle-Building Celebrity Circuit This one is a core burner for sure - working those abs! Crossfit style circut training for at home workouts. No equipment needed for this one.