4 exercises, 3 rounds, 720 seconds is all you need to sneak in a workout that is worthy of your sweat. This 12- minute program design is adaptable for any fitness level, utilizing three intensity variables and programming for 30, 45, or 60 minute classes. Perfect for most classes that involve small segments of cardio, strength, intervals, or ab/core conditioning. Choose cardio, upper body, lower body, core, or a combination of all 4 to maximize your efforts in minimal time. 720 seconds is all it takes to get in, get it done, and get on with your day.