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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

To search for the old!

Gichin Funakoshi once said: "To search for the old is to understand the new. The old, the new, this is a matter of time. In all things, man must have a ...

Funakoshi Niju kun

Gichin Funakoshi wrote the Nijū kun principles, which he likely developed through his personal experiences and contemplation of karate's practice and philosophy. The principles serve as guidelines for practitioners to ...

How to practice Nami-gaeshi

Nami-gaeshi translates into "wave return", a more understandable description is "returning wave". The name of the technique refers to the movement that the leg performs. The leg movement resembles an ...