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Karen Amen's the Crunch: The Latest, Most Effective Way to Flatten Your Stomach

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Karen Amen's the Crunch: The Latest, Most Effective Way to Flatten Your Stomach - Amen, Karen, and Dobinson, Tee
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Gone are the days of back-straining sit-ups. In their place is the Crunch--an exercise that precisely isolates different abdominal muscles. Top fitness trainer Karen Amen demonstrates how doing just a few minutes of crunches a day can strengthen your back, improve your posture, and give you a flatter stomach in just one month. Includes step-by-step photos.

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Karen Amen's the Crunch: The Latest, Most Effective Way to Flatten Your Stomach 1994, Clarkson Potter Publishers

ISBN-13: 9780517883389

Hardcover