The jump back leg round kick, in taekwondo, is a powerful attack move that requires speed and accuracy. Learn the taekwondo jump back leg roundkick from a taekwondo expert in this free martial arts video. Expert: Caleb Labarda Bio: Calab Labarda is a 22-year-old Tae Kwon Do black belt. He has been competing since he was 8 and instructing since he was 16. Filmmaker: Caleb Labarda