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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

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 ...

My interpretation: Uchi-uke

This article is about an alternative approach to the basic block Uchi-uke. The well-known basic use of Uchi-uke. Everybody knows that one. My interpretation: Uchi-uke Uchi-uke can be used as ...

Dojo Kun

The creator of Dojo Kun. While it is difficult to say for certain who the creator of the Dojo Kun principles was, it is widely accepted that the Dojo Kun ...