Core Performance - by Mark Verstegen and Pete Williams - 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.