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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

Ten Precepts of Karate

In October 1908, Anko Itosu (1831-1915) wrote a letter, "Ten Precepts of Karate," to draw the attention of the Ministry of Education and the Ministry of War in Japan. This ...

The history of the black belt

The history of martial arts belts, particularly the black belt and the introduction of colored belts, encompasses various stories and influences that have shaped the ranking system we know today ...

The use of Hikite

To unleash the full force of a punch, it's crucial for both arms to work in harmony, a principle frequently emphasized in the Dojo. One arm (the fist) is thrust ...