Core Strength And Deep Six Pack Abs
I am going to show you some of the “Secrets” I have learned and practiced over the past 40 years, on how I developed unusually “Deep Six Pack Abs” (or “Rectus Abdominis” muscles) by using an abdominal flexing technique in passive and active exercises. In this video, I am close to 60 years old and have been using Terrain Modification …