What is the Korean term for "back fist" strike?

The Korean term for "back fist" strike is "Deung Joomuk." This term specifically refers to a technique where the back of the fist is used to strike an opponent, often in rapid combinations or as a surprise attack. In martial arts, understanding the specific terminology for techniques is crucial because it helps practitioners communicate clearly and accurately about the moves being learned or executed.

The other choices represent different techniques or strikes. "Seung Joomuk" refers to a rising fist technique, "Yup Joomuk" denotes a side fist, and "Bakkat Joomuk" translates to an outward fist. Each of these has its own application and strategic use in martial arts, but "Deung Joomuk" is the correct term for utilizing the back of the fist in a strike.