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Karen Amen's The Crunch : The Latest, Most Effective Way to Flatten Your Stomach
Karen Amen's The Crunch The Latest Most Effective Way to Flatten Your Stomach Author:Karen Amen, Tee Dobinson A safe, effective, and new way for men and women to achieve their most elusive fitness goal--a flat, well-toned stomach--by one of the country's top fitness trainers. Demonstrates how doing just a few minutes of crunches a day in the proper way, with fewer repetitions and more emphasis on technique, can strengthen your back, improve y... more »our posture, and give you a stronger, flatter stomach in just one month.« less