 Amidst his years of studying , Lundgren honed his karate skills by training hard in the dojo for five years , attaining the rank of 2nd dan black belt in Kyokushin in 1978 . He captained the Swedish Kyokushin karate team , and was a formidable challenger at the 1979 World Open Tournament ( arranged by the Kyokushin Karate Organization ) when he was only a green belt . He won the European championships in 1980 and 1981 , and a heavyweight tournament in Australia in 1982 . Dolph continued training kyokushin karate after leaving his tournament career , when his new career allowed , and eventually graded to 3rd dan in July 1998 , in the Shinkyokushin organization of Kyokushin karate . The formal grading took place in Stockholms kyokushin karate Gym , in Stockholm , Sweden . Lundgren is often seen on Shinkyokushin tournament events , doing karate exhibitions during breaks . 
