Bahl Deung Cha Ki is the staple kick of all kick-oriented martial arts. From offensive or defensive stance, either the lead or trailing leg can execute this kick. I will describe it from the rear leg, which is a more powerful kick than when executed with the lead leg. The student should first bring their knee up while rotating the hips fully. At the same time, the foot the student is standing on needs to pivot on the ground until the toes are pointing at least 90°, and up to 180°, from the attack vector*. When chambered, before actually kicking, the knee should be on its side and the hips completely open. The leg is then extended, and the striking surface is the instep of the foot. It is important to rechamber the kick before returning to stance. The rotation of the hips should complete at