Taekwondo Fundamentals: Crescent Kick
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Front Leg Crescent Kick·TaekwondoShawn
Crescent Kick, also known as An Chagi안차기 (Outside-to-inside) and Bakkat Chagi 바깥차기 (Inside-to-outside) is a great begin…
Front Leg Crescent Kick
SubFamilyフロント・レッグ・クレセント・キック(Furonto Reggu Kuresento Kikku)
Translation: Front leg crescent kick
Overview
The Front Leg Crescent Kick delivers the inside crescent kick from the lead leg using a skip-step or direct lift, offering faster delivery than the rear-leg version. [1] It is effective as a quick strike to the face or as a blocking/deflecting tool against incoming punches. [1]
Lead Crescent Kick
History & Origin
Effectiveness
Offers specific tactical advantages over the standard crescent kick in appropriate situations. [1]
Lineage
Cross-style martial arts kicking tradition; documented in kick compendiums. [1]
Competition Record
Frequently used in MMA (UFC, ONE Championship, Bellator), kickboxing (GLORY, K-1), and Muay Thai (Lumpinee, Rajadamnern). One of the most commonly thrown kicks in professional striking competition. [1]
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Biomechanical Mechanism
Primary Action — Crescent Kick mechanics modified for front leg crescent kick variant
Joints Involved — Hip, knee, ankle — specific to crescent kick trajectory
Force Vector — Modified crescent kick trajectory
Leverage Principle — Hip rotation and leg extension generate force along the crescent kick arc
Position & Entry
From fighting stance — Chamber and execute the front leg crescent kick
From close range — Adapted version for tight distance
Variants
High variant
Mid variant
Low variant
Videos
Elbows & Hands. What’s a Crescent Kick for? Re-chamber your front kicks.
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Front Leg Crescent Kick·Ramsey Dewey
Q&A with the coach Let’s talk technique
2 videos
What Instructors Say
The front leg crescent kick is a close-range head strike with two primary directional variations: the inside-to-outside (pocket chucky) and outside-to-inside (an chucky) patterns. TaekwondoShawn emphasizes that crescent kicks excel in competitive sparring (kyorugi) due to their high-scoring head-strike potential, though they require significant hip mobility and dynamic flexibility to execute effectively. The technique is also useful in self-defense for disrupting an opponent's guard—either by dropping a raised guard or creating openings for follow-up strikes—and serves as an accessible beginner kick that doesn't require extreme static flexibility. Ramsey Dewey frames crescent kicks as close-range clinch techniques, particularly effective when executed from inside the opponent's guard where collar-tie distance permits the kick to land. Dewey highlights their value in combination work: the crescent kick can function as a feint to raise the opponent's guard, opening lanes for secondary attacks like body round kicks. Both instructors agree the kick requires practice to generate power and timing precision; TaekwondoShawn details foot engagement and ankle rotation to prevent injury, while Dewey stresses the importance of infighting confidence and proper re-chambering mechanics to avoid having the kick caught. The instructors converge on the technique's application in controlled, close-quarters scenarios rather than long-range striking.
Synthesized from 2 instructors
- TaekwondoShawn — Taekwondo Fundamentals: Crescent Kick: Detailed breakdown of inside-to-outside and outside-to-inside variations, warm-up drills (hip circles, knee raises), foot positioning and ankle engagement for injury prevention, applications in sparring vs. self-defense, strength and dynamic flexibility exercises (split squats, wall climbing), and post-kick dynamic stretching protocols.
- Ramsey Dewey — Elbows & Hands. What's a Crescent Kick for? Re-chamber your front kicks.: Functional definition of crescent kicks as close-range, clinch-distance head techniques; discussion of inside vs. outside variants; use in combination strategy (feints to open alternative targets); emphasis on infighting development and re-chambering mechanics to prevent kick catches.
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Ratings
Risk of injury to the person this technique is applied to
6
High6/10
Crescent Kick variant with standard striking power
Skill level needed to execute this technique reliably
Intermediate
Whether this technique is allowed under major competition rule sets
Illegal
WBC/Boxing — All kicks prohibited in boxing {src— WBC Rules of Boxing}
Legal
— Unified MMA — Legal striking technique
Unified Rules of MMA, August 2025PDFKyokushin — Legal at full power to body and head {src— IKO Kyokushin Tournament Rules}
— WT — Legal, body kick 2 points, head kick 3 points, spinn...
WT Competition Rules 2024PDF— WAKO — Legal in Full Contact and Low Kick formats
WAKO Competition RulesPDFK-1/GLORY — Legal {src— K-1/GLORY Kickboxing Rules}
— IFMA — Legal — kicks are a core Muay Thai technique
IFMA Muay Thai RulesPDFTraining Notes
✓Master the standard crescent kick before attempting the front leg crescent kick (De Bremaeker & Faige, 2010)
✓Practise with pad work for targeting accuracy
Common Mistakes
!Attempting without solid crescent kick foundation
!Poor balance
!Insufficient power generation
Related Techniques
Counter Techniques
Setup Chain
1Feint → Front Leg Crescent Kick → Follow-up combination
Sources & References
Primary Source
Essential Book of Martial Arts Kicks (De Bremaeker & Faige, 2010)
1Book[1] De Bremaeker, M. and Faige, R. (2010). Essential Book of Martial Arts Kicks: 89 Kicks from Karate, Taekwondo, Muay Thai, Jeet Kune Do, and Others. Tuttle Publishing. ISBN 978-1-4629-0558-4.
2Citation[1] De Bremaeker, M. and Faige, R. (2010). Essential Book of Martial Arts Kicks: 89 Kicks from Karate, Taekwondo, Muay Thai, Jeet Kune Do, and Others. Tuttle Publishing. ISBN 978-1-4629-0558-4.
[1] De Bremaeker & Faige, Essential Book of Martial Arts Kicks (2010)
Community
Athletics
Requires solid crescent kick foundation
Good balance and coordination
Notes
Documented in De Bremaeker & Faige, Section 6.2. The crescent kick delivered with the front leg via a sliding step — faster but less powerful than the rear leg version. Used as a guard-clearing tool in point-fighting. (De Bremaeker & Faige, Essential Book of Martial Arts Kicks, 2010)
Frequently Asked Questions
What are the two variations of the crescent kick?
The crescent kick has two variations considered the same technique: the an chucky (inward kick, outside to inside) and the pocket chucky (outward kick, inside to outside). TaekwondoShawn emphasizes that you should practice both variations to be well-rounded.
How should I position my foot when executing the inward crescent kick?
When kicking with the inside of your foot, rotate your ankle so you're hitting with the inside of your foot while keeping the foot muscles engaged toward the target. TaekwondoShawn notes this foot engagement prevents injury and allows you to train taekwondo sustainably throughout your life.
When should I use the pocket crescent kick in sparring?
The pocket crescent kick is effective as a counter when your opponent charges in after you've thrown a kick with one leg and it comes down. TaekwondoShawn explains that if your opponent charges into it, you can score points with minimal power needed.
Should I re-chamber my leg after a front kick if I want to follow up with a crescent kick?
Yes, Ramsey Dewey recommends re-chambering rather than letting your leg drop, because front kicks that aren't re-chambered are easy for opponents to catch.
How does the Front Leg Crescent Kick work?
The Front Leg Crescent Kick delivers the inside crescent kick from the lead leg using a skip-step or direct lift, offering faster delivery than the rear-leg version. It is effective as a quick strike to the face or as a blocking/deflecting tool against incoming punches.
Where does the Front Leg Crescent Kick come from?
The Front Leg Crescent Kick is a specialised variant documented in cross-style kicking methodology. It represents an advanced development of the standard crescent kick.
Is the Front Leg Crescent Kick legal in competition?
Unified MMA: legal — Legal striking technique; WBC/Boxing: banned — All kicks prohibited in boxing; WKF: legal — Legal, chudan (body) kick scores 2 points, jodan (head) kick scores 3 points; Kyokushin: legal — Legal at full power to body and head; WT: legal — Legal, body kick 2 points, head kick 3 points, spinning body 4 points, spinni…; WAKO: legal — Legal in Full Contact and Low Kick formats; K: legal — 1/GLORY — Legal; IFMA: legal — Legal — kicks are a core Muay Thai technique
How dangerous is the Front Leg Crescent Kick?
Danger rating 6/10. Crescent Kick variant with standard striking power
How do I set up the Front Leg Crescent Kick?
The standard setup chain: Feint → Front Leg Crescent Kick → Follow-up combination.
How do I defend against the Front Leg Crescent Kick?
Standard counters include: Step inside range / Block and counter / Low kick to support leg.
What are the variants of the Front Leg Crescent Kick?
Common variants: High variant; Mid variant; Low variant.
How effective is the Front Leg Crescent Kick in competition?
Frequently used in MMA (UFC, ONE Championship, Bellator), kickboxing (GLORY, K-1), and Muay Thai (Lumpinee, Rajadamnern). One of the most commonly thrown kicks in professional striking competition.
What are common mistakes when doing the Front Leg Crescent Kick?
Top errors to watch for: Attempting without solid crescent kick foundation / Poor balance / Insufficient power generation.
What are other names for the Front Leg Crescent Kick?
The Front Leg Crescent Kick is also known as Furonto Reggu Kuresento Kikku, Lead Crescent Kick.