Kicking Biomechanics
A 'light' biomechanics exercise for practicing your karate kicking techniques. Not too much detail on the science here …
Перевод: twisting kick
Bituro Chagi (twisting kick) is a Taekwon-Do kicking technique that follows an outcurved line to the target, creating a twisting trajectory. [1] Unlike the straight-line front kick or the circular roundhouse, the twisting kick travels in a curved path that deceives the opponent about the final point of impact. [1] It is divided into low, middle, and high variations, with the ball of the foot as the primary striking surface for low and middle versions. [1] Classified as a smashing kick in General Choi's Taekwon-Do encyclopedia, it is designed for attacking the front of the opponent with a deceptive trajectory. [1]
Taekwondo lineage: Korean kwans → ITF system under General Choi Hong Hi. The twisting kick (bituro chagi) is an ITF-specific technique. [1]
Commonly used in WT Taekwondo Olympic competition and ITF tournament sparring. Also appears in WKF karate kumite and kickboxing. [1]
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The Bituro Chagi (twisting kick) is a rotational striking technique in Taekwondo that surprises opponents by targeting the opposite side of the body from their defensive expectation. According to Nora TKD, the technique leverages hip drop and body weight transfer to connect with the opponent's ribs or flank when executed at mid-section. The kick can be delivered using either the ball of the foot (Apgung Chi) or the instep (Badung). Nora TKD emphasizes the counter-intuitive nature of the strike: when using the rear leg, the opponent anticipates a kick from the open side, but the twisting rotation delivers force to the closed side instead. Practitioners should progress through three height levels—low, mid, and high section—before combining alternating legs. Bunbu Ryodo's biomechanics analysis clarifies that twisting kicks like Bituro Chagi differ from thrusting kicks in their reliance on rotational force rather than directional thrust alone, requiring controlled hip and body rotation while maintaining balance. Both instructors agree on the importance of controlled practice progression and maintaining proper stance throughout the technique.
Сформировано на основе 3 инструкторов
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Риск травмы для человека, к которому применяется техника
Deceptive trajectory is the primary weapon, not raw power.
Уровень мастерства, необходимый для надёжного выполнения техники
Разрешена ли техника по основным соревновательным правилам
Choi, H.H. (1999). Condensed Encyclopedia of Taekwon-Do. International Taekwon-Do Federation.
[1] Choi, Condensed Encyclopedia of Taekwon-Do (1999), Smashing Kicks chapter
[1] Choi, Condensed Encyclopedia of Taekwon-Do (1999), Smashing Kicks chapter
hip flexibility for the twisting motion, coordination for the curved path
hip flexors, hip rotators, quadriceps
According to Nora TKD, you can use either the ball of the foot (Apgung Chi) or the instep (Badung), with the ball of the foot being especially effective when kicking through targets like wooden boards, while the instep is also a solid choice for general practice.
Nora TKD emphasizes dropping your kicking-side hip down and snapping the kick horizontally into the target at a 90-degree angle to connect with an opponent on the opposite side of their body.
Nora TKD stresses that you must always look behind you first before executing any turning kick, and remember to retract your leg and regain your balance after the kick to maintain control.
Bituro Chagi (twisting kick) is a Taekwon-Do kicking technique that follows an outcurved line to the target, creating a twisting trajectory. Unlike the straight-line front kick or the circular roundhouse, the twisting kick travels in a curved path that deceives the opponent about the final point of impact.
Bituro Chagi is classified in General Choi Hong Hi's Taekwon-Do encyclopedia as a smashing kick — one of 12 smashing kick categories. It is unique to ITF Taekwon-Do and represents the art's emphasis on curved and deceptive kicking trajectories that distinguish it from other striking arts.
Unified MMA: Legal: разрешён — standard striking technique; WKF Karate: Legal: разрешён — controlled contact required; WT Taekwondo: Legal: разрешён — kicks are primary scoring technique; WAKO Kickboxing: Legal: разрешён — full contact permitted; IFMA Muay Thai: Legal: разрешён — all strikes permitted
Оценка опасности 4/10. Moderate — deceptive trajectory is the primary weapon, not raw power.
Стандартная цепочка подготовки: Feint straight front kick → change to curved bituro chagi → Jab to freeze → bituro chagi to exposed ribs → After a blocked roundhouse → bituro chagi from the opposite angle.
Стандартные контрприёмы: Step back — the curved path has limited range / Inside parry — redirect the curving kick / Low kick counter — attack the standing leg during the twist.
Распространённые варианты: Low twisting kick (targeting the thigh or knee); Middle twisting kick (targeting the ribs or solar plexus); High twisting kick (targeting the head (uses instep as striking surface)).
Commonly used in WT Taekwondo Olympic competition and ITF tournament sparring. Also appears in WKF karate kumite and kickboxing.
Основные ошибки, на которые стоит обратить внимание: Making the curve too wide — becomes a slow, telegraphed roundhouse / Not starting with a front kick chamber — the deception requires a straight start / Using incorrect striking surface — ball of foot for low/mid, instep for high / Losing balance from the twisting motion.
Bituro Chagi также известен как Bituro Chagi, Twisting Kick, Bituro-Chagi, 비틀어 차기.