"Stronger Abs And Back" provides 165 exercises to develop greater flexibility, stability, fitness, strength, and power at the body's core. This heavily illustra

Stay young with effective, efficient core strength training that will enhance your spine’s stability and re-educate correct muscle activation patterns. From s

Following the success of the first two 7 Weeks books this book takes the same proven popular approach to sit-ups. It's simple, daily schedule for 7 weeks allows

From the author of the national bestseller The Complete Book of Abs comes the definitive book on the Next Big Thing in fitness -- core training From the bestsel

A strong, athletic physique, highlighted by a flat midsection with well-defined abdominal muscles, is the goal of everyone who works out, from lifelong gym rats