It takes more than just crunches to create a strong core and toned abs. Trainer Juliet Kaska has worked with Stacy Keibler and Pink, so she knows a thing or two about keeping the midsection tight. Press play to learn five abdominal-toning moves Juliet uses with her celeb clients. They're tough but fun! Try them on your own, and let us know your favorite move.
Be sure to check out Stacy's full-body burn routine too.