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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

New photograph of Itosu Ankō

Re-examination of the Itosu Ankō photo Only a few karate masters have had as much influence on karate development as Itosu Ankō (Itosu Yasutsune). He was born in Gibo Village ...

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 ...

Chinkuchi – Another fancy word

Chinkuchi. Chinkuchi, a term derived from the Okinawan language, represents the harmonious synchronization of mind and body, yielding maximum force with minimal effort. It requires the perfect coordination of muscles, ...