For over 50 years, the art of Taekwondo has been developed by the use of a unique style of self-defense. 

As the most famous martial art in the world, Taekwondo has been used in a wide variety of combat sports and is popular in a variety of countries, especially the countries of Japan, China, the United States, Russia, Canada, France, Brazil, Italy, and the countries of the European Union.

In order to develop the art of Taekwondo, the style of self-defense was used, which consisted of a technique of breaking the opponent's balance and defeating him by using a technique called a "chi-chi" or a "check".