15 Double-Duty Moves That Work Your Abs and Booty at the Same Time

Standing on one leg with your arms overhead challenges your balance to fire up your core. Plus, lunges are great for the toning the butt.

• Stand on your left leg with your right knee up. Bring both weights overhead to start.
• Step your right foot back, coming into a lunge, making 90-degree angles with both knees, and lower the weights to the side, bending your elbows to 90 degrees.
• With control, push off your right foot, bringing your right knee forward while pressing the weights overhead with palms facing out. This completes one rep.
• Start with 10 reps on each leg.