We love a heavy barbell workout as much as anyone. But for athleticism, reactivity and joint integrity you can't beat Core-Tex. These are just a few examples where you can load up your chest, shoulders and core like only Core-Tex can.
Consider the anatomy and fiber directions of the all the muscles that cross the front of the shoulder. Now consider the variety of angles that they work from and synergize with others as the relationship of the arm to the torso changes. Need we say more?