Hand Strike(Uchi) Series, Tettsui Hasami Uchi(Hammer-Fist Scissor Strike) Part-2.
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Tettsui Komekami Uchi·MK Martial Arts
Hand Strike(Uchi) Series, Tettsui Hasami Uchi(Hammer-Fist Scissor Strike) Part-2. #handstrikeseries, #tettsuihasamiuchi…
Tettsui Komekami Uchi
SubFamilyTettsui Komekami Uchi(Tettsui Komekami Uchi)
Translation: hammer fist temple strike
Overview
Tettsui Komekami Uchi (Hammer Fist Temple Strike) is a Kyokushin Karate hammer fist strike targeting the temple (komekami). [1] Mas Oyama, founder of Kyokushin Karate, demonstrated this as a fundamental combat technique requiring proper body mechanics and spirit. [1] The technique emphasises full-body power generation through hip rotation and proper weight transfer. [1]
Hammer Fist Temple Strike
History & Origin
Effectiveness
Kyokushin practitioners train this strike for bare-knuckle effectiveness, making it one of the most practically tested karate techniques. [1]
Lineage
Kyokushin Karate; founded by Masutatsu Oyama (1964). [1]
Competition Record
Used in Kyokushin full-contact karate tournaments
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Biomechanical Mechanism
Primary Action — Hammer Fist Temple Strike-specific striking mechanics with full hip rotation
Joints Involved — Shoulder, elbow, wrist (for punches/strikes), hips (rotation)
Force Vector — Technique-specific trajectory
Position & Entry
From front stance — Execute Tettsui Komekami Uchi with full hip rotation
From fighting stance — Deliver Tettsui Komekami Uchi with body commitment
Variants
From front stance
From fighting stance
As counter-attack
Videos
1 video
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Ratings
Risk of injury to the person this technique is applied to
7
Very High7/10
Full-power Kyokushin karate strike trained for bare-knuckle impact
Skill level needed to execute this technique reliably
Intermediate
Whether this technique is allowed under major competition rule sets
Illegal
WBC/Boxing — Only closed-fist punches permitted {src— WBC Rules of Boxing}
Kyokushin — Only closed-fist strikes to body permitted {src— IKO Kyokushin Tournament Rules}
— WT — Prohibited
WT Competition Rules 2024PDF— WAKO — Closed fist only
WAKO Competition RulesPDFK-1/GLORY — Closed fist only {src— K-1/GLORY Kickboxing Rules}
Restricted
— WKF — Varies by technique — some open-hand strikes legal ...
WKF Competition Rules 2024PDF— ITF — Some knife hand techniques legal
ITF Competition RulesPDFLegal
— palm strikes, slaps permitted
Unified Rules of MMA, August 2025PDF— IFMA — Legal — palm strikes permitted in Muay Thai
IFMA Muay Thai RulesPDFTraining Notes
✓Practise on makiwara and heavy bag for conditioning (Oyama, 1965)
✓Full hip rotation is essential
✓Kiai (spirit shout) accompanies the strike
Common Mistakes
!Insufficient hip rotation
!Tensing too early
!Poor stance
Related Techniques
Counter Techniques
Setup Chain
1Stance → Hip rotation → Tettsui Komekami Uchi → Recovery
Sources & References
Primary Source
This Is Karate (Oyama, 1965)
1Book[1] Oyama, M. (1965). This Is Karate. Japan Publications Trading Co. [2] Oyama, M. (1968). Advanced Karate. Japan Publications.
description, historyOrigin: sourced from Oyama, M
2Citation[1] Oyama, M. (1965). This Is Karate. Japan Publications Trading Co. [2] Oyama, M. (1968). Advanced Karate. Japan Publications.
description, historyOrigin: sourced from Oyama, M
Community
Athletics
Strong hands and wrists (conditioned through makiwara training)
Good hip rotation
Solid stance
Notes
Tettsui komekami uchi (hammer fist temple strike) swings the bottom of the fist into the temple — a devastating close-range strike. In MMA ground-and-pound, the hammer fist to the temple is one of the most common finishing techniques. (Oyama, This Is Karate; MMA competition records)
Frequently Asked Questions
How does the Tettsui Komekami Uchi work?
Tettsui Komekami Uchi (Hammer Fist Temple Strike) is a Kyokushin Karate hammer fist strike targeting the temple (komekami). Mas Oyama, founder of Kyokushin Karate, demonstrated this as a fundamental combat technique requiring proper body mechanics and spirit.
Where does the Tettsui Komekami Uchi come from?
Tettsui Komekami Uchi is a fundamental technique of Kyokushin Karate as codified by Masutatsu Oyama. Kyokushin's emphasis on full-contact fighting requires every strike to be trained for maximum real-world effectiveness.
Is the Tettsui Komekami Uchi legal in competition?
Unified MMA: legal — Legal (palm strikes, slaps permitted); WBC/Boxing: banned — Only closed-fist punches permitted; WKF: restricted — Varies by technique — some open-hand strikes legal in kata, generally restric…; Kyokushin: banned — Only closed-fist strikes to body permitted; WT: banned — Prohibited; ITF: restricted — Some knife hand techniques legal; WAKO: banned — Closed fist only; K: banned — 1/GLORY — Closed fist only; IFMA: legal — Legal — palm strikes permitted in Muay Thai
How dangerous is the Tettsui Komekami Uchi?
Danger rating 7/10. Full-power Kyokushin karate strike trained for bare-knuckle impact
How do I set up the Tettsui Komekami Uchi?
The standard setup chain: Stance → Hip rotation → Tettsui Komekami Uchi → Recovery.
How do I defend against the Tettsui Komekami Uchi?
Standard counters include: Block and counter / Distance management / Evasion.
What are the variants of the Tettsui Komekami Uchi?
Common variants: From front stance; From fighting stance; As counter-attack.
How effective is the Tettsui Komekami Uchi in competition?
Used in Kyokushin full-contact karate tournaments
What are common mistakes when doing the Tettsui Komekami Uchi?
Top errors to watch for: Insufficient hip rotation / Tensing too early / Poor stance.
What are other names for the Tettsui Komekami Uchi?
The Tettsui Komekami Uchi is also known as Tettsui Komekami Uchi, Hammer Fist Temple Strike.