The Flat-Belly Workout

Star of the hit show "Bethenny Getting Married?" and our own columnist shares her new flat-belly workout to drop 2 inches in 4 weeks.

Credit: Perry Hagopian

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“I’m all about this one-stop-shop move: It not only tones my entire core but also strengthens and sculpts my arms, butt, and thighs.”

Kneel on a mat on all fours with your hands directly under your shoulders. Stretch your legs back one at a time to come into plank position (the “up” part of a push-up); engage your ab muscles. Your body should be long and straight; don’t let your hips sag or lift your butt too high. Imagine there’s a seat belt tightening around your waist, drawing your lower-ab muscles inward.

Press your hands firmly into the mat, and press strongly back through your heels. Hold for 1–2 minutes (or as long as you can), then drop back to all fours. Do 3 reps.

Next: Side Plank

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