SHUTO TECHNIQUE
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Shuto Sakotsu Uchikomi·Debasis Bhar Karate Academy
1. SHUTO UCHI UCHI 2. SHUTO SAYU UCHI 3. SHUTO GANMEN UCHI 4. SHUTO SAKOTSU UCHI 5.SHUTO SAKOTSU UCHI KOMI 6. SHUTO HIZ…
Shuto Sakotsu Uchikomi
SubFamilyShuto Sakotsu Uchikomi(Shuto Sakotsu Uchikomi)
Translation: knife-hand collarbone driving strike
Overview
Shuto Sakotsu Uchikomi (Knife-Hand Collarbone Driving Strike) is a Kyokushin Karate driving knife-hand strike to the collarbone with forward body momentum, penetrating deeper than the standard version. [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]
Knife-Hand Collarbone Driving 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 — Knife-Hand Collarbone Driving 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 Shuto Sakotsu Uchikomi with full hip rotation
From fighting stance — Deliver Shuto Sakotsu Uchikomi 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 → Shuto Sakotsu Uchikomi → 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
Shuto sakotsu uchikomi (knife hand collarbone striking-in) is the driving version of the collarbone strike — the hand drives into the target rather than slicing across it. Used in Kyokushin breaking demonstrations. (Oyama, This Is Karate)
Frequently Asked Questions
How important is shoulder position when performing shuto sakotsu uchikomi?
Shoulder height is very important to the technique, as it directly affects the strike's effectiveness and proper form.
How does the Shuto Sakotsu Uchikomi work?
Shuto Sakotsu Uchikomi (Knife-Hand Collarbone Driving Strike) is a Kyokushin Karate driving knife-hand strike to the collarbone with forward body momentum, penetrating deeper than the standard version. Mas Oyama, founder of Kyokushin Karate, demonstrated this as a fundamental combat technique requiring proper body mechanics and spirit.
Where does the Shuto Sakotsu Uchikomi come from?
Shuto Sakotsu Uchikomi 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 Shuto Sakotsu Uchikomi 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 Shuto Sakotsu Uchikomi?
Danger rating 7/10. Full-power Kyokushin karate strike trained for bare-knuckle impact
How do I set up the Shuto Sakotsu Uchikomi?
The standard setup chain: Stance → Hip rotation → Shuto Sakotsu Uchikomi → Recovery.
How do I defend against the Shuto Sakotsu Uchikomi?
Standard counters include: Block and counter / Distance management / Evasion.
What are the variants of the Shuto Sakotsu Uchikomi?
Common variants: From front stance; From fighting stance; As counter-attack.
How effective is the Shuto Sakotsu Uchikomi in competition?
Used in Kyokushin full-contact karate tournaments
What are common mistakes when doing the Shuto Sakotsu Uchikomi?
Top errors to watch for: Insufficient hip rotation / Tensing too early / Poor stance.
What are other names for the Shuto Sakotsu Uchikomi?
The Shuto Sakotsu Uchikomi is also known as Shuto Sakotsu Uchikomi, Knife-Hand Collarbone Driving Strike.