Discover how Korean stars Jung Doo-hong and Choi Soo-young are taking Hollywood by storm in the action thriller 'Ballerina,' ...

This Korean martial art incorporates a wide variety of elements as well as techniques from other martial arts into its discipline; a sort of "best of" approach to self-defense.

The Korean martial arts flicks include the standard well-choreographed fight sequences, which are made up of hand-to-hand combat, sword fighting, and fun wire work.

The style may also be called Moo Duk Kwan or Tang Soo Do. This refers to the original Korean martial arts schools that formed after World War II.

Paul Franz, 62, of Auburn Hills, leads a Tang Soo Do class at the Rochester Older Persons Commission. Tang Soo Do is a Korean martial art form that’s based on karate. Photo by Debra Kaszubski ...