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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 ...

10 Fascinating Aspects of Okinawan Culture

Exploring the Enchanting Tapestry of Okinawan Culture. Language: Preserving Uchinaaguchi - The Unique Language of Okinawa. In Okinawa, there's a language called Uchinaaguchi which is quite different from Japanese. It ...

Meniscus injury

A meniscus injury refers to damage or tears in the meniscus, which is a C-shaped cartilage found in the knee joint. Although karate is not typically associated with a high ...