Chun Kuk Do is a Korean-based, American hybrid martial art style.

Chun Kuk Do was founded in 1990 by Chuck Norris , CKD evolved from Tang Soo Do and combines elements from several different fighting styles. "Chun Kuk Do" is Korean and is loosely translated as "The Universal Way." Norris began learning Tang Soo Do while serving in the Air Force in Korea after he joined in 1958. Norris later trained in various other styles under some of the most respected instructors in the United States. These instructors included Tang Soo Do instructor Shin Jae Chul, Shoto-Kan Karate masters Tsutomu Ohshima and Hidetaka Nishiyama, Shitō-ryū Karate instructor Fumio Demura, Tae Kwon Do, American Kenpo Karate founder Ed Parker, Judo expert Gene LeBell, Brazilian Jiu-Jitsu legends the Machado family and Jeet Kune Do founder Bruce Lee, a famous actor and martial artist who starred alongside Norris in Way of the Dragon.

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