Power Factor Specialization

Rating:
Summary: THE BEST AB BOOK
Review: The information provided in this latest edition of the "Power Factor Specialization" series is first-rate. All scientific, all proven and geared to make every workout efficient, this book is the ultimate ab (and leg) training book I've ever read. If you want a chisled midsection and muscular, powerful legs, then you will definitely benefit from the information in this book. All of the ab and leg exercises are rated, so that you will never again waste time on an unproductive exercise. The Power Factor Specialization series is the best "training" series of books I've ever read. They should be compulsory for all personal trainers who take their business seriously.