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

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

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

"Best ab exercises will teach you a series of abdominal exercises that work out your core in conjunction with the rest of your body, so you can build a strong,

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