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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

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 ...

Application of Kata techniques

Kata was created to function in a perfect fight situation. Everything is predetermined. When we are attacked in a certain way, then we use a certain series of defensive techniques ...

Tegumi: The Foundation of Shima – Okinawan Sumo!

In connection with this article, it is recommended to read these two articles first: Tegumi and Shima - Okinawan sumo. Tegumi: The Foundation of Shima - Okinawan Sumo! In the realm ...