4 Types: — Own weight — Rubber — Kettlebell — Mixed This technique was developed by the coach and master 1 Dan in sports Jiu Jitsu Shirokov Dmitry Borisovich. The technique is based on the system of physical training for fighters by Professor V. Seluyanov. On the basis of this system, training plans were developed for training the national teams of the country in various sports (Sambo, Judo, Ice Hockey, field hockey, soccer, futsal). 15 minutes of lessons per day according to this tec