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

Elbow plank is great for working the core, and adding a booty-strengthening donkey kick makes this move a multitasker.

• From elbow plank position, bend your right knee, flex your heel, and press your foot up toward the ceiling without moving your pelvis.
• Lower the bent leg slightly, and repeat for a total of 15 to 20 repetitions. Then switch sides.