Twimyo Yop Cha Jirugi
Literally: flying side piercing kick
Twimyo Yop Cha Jirugi is a flying side piercing kick of ITF taekwondo that strikes with the edge of the foot (balkal).
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Katas containing this technique
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Twimyo Yop Cha Jirugi, in English flying side piercing kick, is a flying side piercing kick of ITF taekwondo. Twimyo means in flight or jumping, and yop cha jirugi means side piercing kick. It strikes with the edge of the foot, in Korean terminology balkal. In the ground version, the edge of the kicking foot must pass close by the knee of the supporting leg before the kick; the flying variant performs this movement in the air. According to the source, the ground-based yop cha jirugi is missing only from the tuls Chon-Ji, Dan-Gun, Do-San, Toi-Gye and Po-Eun, while the flying variant is reserved for more advanced tuls. It first appears in the tul Choong-Moo, performed with a single step, keeping a half-facing position and completing the hip rotation only in the air. In the tul Ge-Baek it is pushed off from both legs without a preparatory step, using the momentum of the preceding middle turning kick. The side piercing kick reaches peak difficulty in the tul Moon-Moo as a double kick, one slowed and the other at normal speed. It differs from the flying turning kicks Twimyo Dollyo Chagi and Twimyo Bandae Dollyo Chagi in its striking surface (balkal instead of apkumchi) and its straight side trajectory. It is not among the required techniques of the ITF special techniques discipline; only the similarly named kicks Twio Dolmyo Yop Cha Jirugi and Twimyo Nopi Yop Cha Jirugi belong there.