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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

Kiai, Kake-goe and Kime, Part 1, Kiai

Kiai and Kime have a certain kind of mystery in Karate and have been highlighted as something supernatural. Kime and Kiai were often associative with power, focus, and of course ...

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 ...

Shima – Okinawan Sumo

Wrestling has been a popular form of combat sport throughout history, with various styles and techniques developed by different cultures around the world. One such intriguing style is Shima, also ...