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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

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 ...

Pinan or Heian

What should we call the five basic Kata from Itosu? Pinan or Heian? Itosu Ankō, the creator of the Pinan Kata. Itosu was raised in a strict home of the ...

Tegumi

Tegumi; An ancient martial art. Tegumi is an ancient martial art that originated in the old Ryukyu kingdom. Many masters believe it to be the original form of fighting in ...