In my opinion, strength progression, if you compete and do not use any doping, is the main strategy for achieving results in many sports, along with technical, tactical and psychological preparation. The book examines the training process for martial artists and the preparation of CrossFit athletes, while combining all modern developments in the field of sports physiology. I want to focus your attention on the laws of training in different sports and explain in simple language: why such a number of repetitions, the training regimen, and also analyze the secrets and tricks of the training process in martial arts and crossfit