Q: Your Progressive-Speed 4X concept has really helped me get bigger and stronger in only the four weeks I’ve been using it. I’ve been doing mostly compound exercises with X-centric on the first set, two standard sets, and speed on the last one. I notice you’ve been doing two X-centric sets instead of one. Is that better?

A: It’s not necessarily better—it’s just another variation. You can use any of those rhythm method tempos within a 4X or even 3X framework. [Read more…]