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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 ...

Evaluating the quality of Kata, part 1

By learning Kata, you get the opportunity to follow in the footsteps of the ancient masters. If you perform Kata with the right spirit, confidence, and humility, you will eventually ...

Shima – Okinawan Sumo

Wrestling has been a popular form of combat sport throughout history, with various styles and techniques developed by different cultures around the world. One such intriguing style is Shima, also ...