Q: I love [3D Positions of Flexion training]. It makes sense and has helped me bring up my chest and delts with fewer sets. My question is about biceps. For the contracted-position exercise, which is best: one-arm spider curls or concentration curls? Or are they about the same?
A: In the X-traordinary Arms e-book we explain the in-for-out/out-for-in principle. For biceps that means that to focus on the outer head for peak, you use an inner-grip exercise. Concentration curls are about as “in” as you can get… [Read more…]