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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 ...

How to learn a Kata

Learning a Kata is a nuanced process that involves more than just mastering patterns and techniques. Here's a step-by-step guide: Initial Learning. When starting with a new Kata, begin by ...

The McDojo Phenomenon

Unveiling the World of Dubious Martial Arts Studios: The McDojo Phenomenon. In the realm of martial arts, there exists a rather controversial entity known as the "McDojo." This term has ...