Short on time or need a change of pace? Tabata training was discovered by Japanese scientist Dr. Izumi Tabata. Its one of the most popular workouts which yields the greatest results. This half hour workout will put together cardio drills, strength training, and core work. Burn up to 400 calories in just 30 minutes! The workout is 20 seconds of work and 10 seconds of rest repeated 8 times. You can do anything for 20 seconds!