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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

Tsumasaki-geri

Tsumasaki-geri is a kick with the tip of the toes. Some would argue that this is the right way to kick (the old way of Okinawan kicking), compared to our ...

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 ...

Ball- or heel turn in karate

Now and then, I get this question from a student: "Which part of the foot should we use as a pivoting point when we turn? Should we pivot on the ...