Core Performance: The Revolutionary Workout Program to Transform Your Body and Your Life » (Reprint)

MARK VERSTEGEN is owner of Athletes' Performance in Tempe, Arizona, a training facility that hosts world-class athletes in virtually every major sport.

PETE WILLIAMS is a contributing writer to USA Today Sports Weekly and Street & Smith's SportsBusiness Journal and has written about fitness and performance for many publications.

Core Performance, the breakthrough fitness program that has already shipped more than 50,000 copies in hardcover, is the first program that delivers strength and muscle mass, endurance and a lean body, balance and flexibility, athletic quickness and power—all in less than an hour a day. How? By giving you a personal coach who has worked with some of the most famous and successful athletes in the world today.

The intense focus on the muscles of your core—abs, lower back, hips, and thighs—will help you stand taller and prevent the back pain from which most people eventually suffer. The detailed nutrition section guarantees that you'll feed your muscles, starve your fat, and get boundless energy when you need it most. This program is like nothing you've ever seen before—it enables you to totally transform your body in just 12 weeks. The potential is within you, and the power to unleash that potential is within Core Performance.