Q: I really like X-centric sets [lifting in one second and lowering in six]. Great muscle feel and pump. I’m getting ready to use a version of the Heavy/Light program in X-traordinary Muscle-Building Workouts I just got. My question is, If I want to use an X-centric set or two for each bodypart, should they go on heavy day or light day?

A: The reason for heavy/light training, as explained in XMBW, is nervous system regeneration. The light day still hits the target muscle for growth without much CNS stress. [Read more…]