Acquiring the ability to protect yourself and your loved ones has always been and will be the primary aspiration of a person (especially a man). Therefore, martial arts are the most biologically and socially significant types of physical activity. By practicing them, you can quickly and quite easily receive a qualification degree in the form of a belt of any color or even a master's dan, but real combat training can only be obtained by completing it with some kind of martial arts. Not all people can immediately start practicing martial arts due to their physical condition or psychological characteristics. In this regard, the Judo system is of particular value as the most “gradual”, involving type of physical and mental activity (namely, as a system of physical education and a system of military-applied physical training).