Greg Jackson Shows Us His Secret to Six Pack Abs
Written by Matthew Smith on May 19, 2022
Top MMA Coach, Greg Jackson knows the secret to powerful abs, his career and that of his fighters have depended on it. He wanted to show us one of his top abdominal exercises, one that he has used to strengthen the abs of his athletes for decades. In this article, we will walk you through this exercise, step by step. Before talking about all that you need to get visible, powerful, abs.