Q: In your early e-books, like The Ultimate Mass Workout, you say that generating maximum force is the key to muscle mass. To me, it doesn’t seem like you ever exert max force with 4X training because you are using moderate weights. Do you still think creating maximum force is the way to build the most mass?

A: Yes, we believe force is one of the big keys to packing on muscle mass—but there’s more than one way to get enough… [Read more…]