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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

Karate styles, take a slice

After 25 years of sportskarate, and standardization of Shotokan, I had to acknowledge that Shotokan no longer was an option for me. My personal development in Karate has stopped, and ...

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 karate lost its grappling techniques

Tracing the transformation of karate from a grappling art to a kicking and punching discipline. Itosu Anko and Funakoshi's vision. In the early 1900s, Itosu Anko embarked on a revolutionary ...