VERY FEW EXERCISES have names that evoke anything more than describing the action taking place when you perform them. Think squats, curls, lunges—all helpfully explanatory, but not exciting. When ...

NOT ALL FAST-MOVING, short-period workouts are created equal. You might think that the only thing you can do in a condensed amount of time—like, say, five minutes—would be to ramp up your heart rate ...