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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

Ten Precepts of Karate

In October 1908, Anko Itosu (1831-1915) wrote a letter, "Ten Precepts of Karate," to draw the attention of the Ministry of Education and the Ministry of War in Japan. This ...

Best Karate Books

This is my curated selection of the finest karate books, carefully chosen from my perspective as a karate enthusiast. Whether you're an experienced practitioner aiming to enhance your knowledge or ...

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 ...