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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 ...

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 ...

Shōshin Nagamine

Shōshin Nagamine, born on July 15, 1907, in Naha, Okinawa, Japan, was a renowned karate master who made significant contributions to the development and promotion of traditional Okinawan martial arts ...