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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

The use of force

An important point to keep in mind in Karate is the use of force! If you practice Karate solely with force, your body will tense up. Making explosive attacks or ...

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 ...

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 ...