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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

Shurijo Castle, Ryukyuan History and Cultural Heritage

Shurijo Castle, located in Naha, the capital city of Okinawa Prefecture, Japan, stands as a testament to the rich history and cultural legacy of the Ryukyu Kingdom. Over its existence ...

The Naihanchi Kata

The Naihanchi Kata is a very old Kata, which can be found in many different styles and variations. The special thing about this Kata is the movement in a straight ...

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 ...