Tracy Anderson's Top Exercises for Flatter Abs and a Stronger Core

Tracy Anderson has whipped and whittled many a middle, and now it’s your turn.

This seven-move series, created exclusively for Health readers by Tracy, is part of our 30-Day Core Challenge: Transform Your Butt, Back & Abs. It promises to do wonders for your waistline just in time for summer. Work your way through the circuit, performing all the moves on your left side first, then repeating them on the right. Do 30 reps per side six times a week for flatter abs and a stronger core in only one month.
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