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 ...

Elevated Plank Row Why: Add a core training component to the basic row by holding a plank position throughout the set. You'll work your back muscles as you would with a standard dumbbell row, but ...