The multitasking exercise works your butt and hamstrings as well as your upper back and shoulders. It’s part of a 3-move workout from fitness expert Kristin McGee to help you get in shape even faster—the compound exercises work more muscles in less time. All you need is a chair and a set of dumbbell.

And, yes, you hold your back leg in the air while knocking out the bent-over rows!

Here's how to do it: Stand facing the back of a chair, an arm's length away. Grab a dumbbell with your left hand and hold on to the top of a chair with your right hand. Put your weight on your right leg and hinge forward to make your body form a T with your left leg straight behind you. Pull the weight up to your torso, then lower. That's the row; do 15 reps total. Then stand up, switch legs, and do 15 reps on the other arm.

That's one set. Do a total of 3 sets.

Try this move: Single Leg Deadlift + Row