IN GERMAN: Heavy Duty 1+2 (Mike Mentzer)

IN GERMAN: Heavy Duty 1+2 the training system at all

Fastest possible progress by high intensive training paired with sufficiently recovery. Do not waste your time with unproductive training methods, but you learn, how one successfully trains. Heavy Duty been based on founded scientific principles and does not consider all factors, without the one optimal strength and muscle increase possible.

Bring yourselves into the best form of your life. The training system at all, fastest possible progress, founded scientific principles, Part 1 (112 sides) and part of 2 (102 sides)