The Book of ABZ by Cory Gregory
The A.M. & P.M. Abs Program.
Cory Gregory is a 12 time cover model who has developed a very unique plan & system for ab development. Cory’s ABZ are some of the best in the entire fitness industry. His programs are utilized by members all across the globe. It’s time to make your ABZ more visible at the pool along with creating better performance in the gym.