Sasae Tsurikomi Course - Standard Fundamentals by Vladislav Koulikov
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Standard Duck·The Grapplers Guide by Jason Scully
The Grapplers Guide is the longest running and most recommended premium BJJ and grappling learning site ever created. L…
Standard Duck
Genusスタンダードダッキング(Sutandādo Dakkingu)
TransliterationTranslation: standard duck
Overview
The Standard Duck executes the fundamental ducking defence where the fighter rapidly drops their level by bending deeply at the knees, lowering the entire torso to bring the head below the incoming strike's arc. [1] The movement must be quick and compact — a sharp downward bend of the knees with the back relatively straight to maintain balance and vision of the opponent. [1],[2] The standard duck finishes with the fighter in a low, athletic position from which they can fire counter-strikes, shoot for takedowns, or rise back to fighting height. [2],[3]
History & Origin
Effectiveness
The duck is highly effective against hooks and wide punches when timed correctly, allowing the defender to change levels and counter from a low position. [1] However, ducking into an uppercut or knee strike is a significant risk, making the technique dangerous against opponents who anticipate the level change. [2]
Lineage
The standard duck is the fundamental ducking defence. [1]
Competition Record
Used in boxing competition. [1]
Images
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Biomechanical Mechanism
Primary Action — Moving the head off the centre line to avoid an incoming strike without retreating
Joints Involved — Cervical spine (lateral flexion), knees (level change for bob and weave), hips (rotation for counter position)
Force Vector — Lateral or downward — the head moves just enough to make the strike miss while maintaining counter-striking distance
Counter-attack Advantage — Slipping loads the rear hand or lead hook for an immediate counter — defensive movement becomes offensive positioning
Position & Entry
From fighting stance — Move the head laterally (slip) or vertically (bob-and-weave) to make the incoming strike miss by inches
As counter-setup — Slip the punch and immediately counter — the defensive movement loads the counter strike
Variants
Inside slip — moving the head to the inside of the incoming punch
Outside slip — moving the head to the outside of the incoming punch
Bob and weave — ducking under a hook and rising on the other side
Pull-back — leaning the head and torso backward to make the punch fall short
Videos
Saeed Azarbayjani Technique: Countering 2 on 1 With A Leg Attack
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Standard Duck·49 North Wrestling
2008 Olympian and Coach at the University of Western Ontario, Saeed Azarbayjani, shows a counter leg attack when your op…
How To Escape the 50-50 Head Control Tie up - Core JKD
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Standard Duck·corejkd
Ming makes it very easy to understand how to use this technique so you can get out of the standard 50-50 clinch range he…
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3 videosWhat Instructors Say
The standard duck is a fundamental head-movement evasion technique used across multiple combat disciplines. While the three instructors address different contexts—49 North Wrestling discusses hand-fighting mechanics during clinch exchanges, The Grapplers Guide covers throwing mechanics (sasae tsurikomi), and Core JKD focuses on escaping neck control—they collectively emphasize key principles of the movement. The standard duck involves a rotational head movement away from an incoming attack or control attempt, typically combined with shoulder elevation and spinal rotation to create distance and prevent the opponent from maintaining contact. Instructors stress that head position is critical: keeping the head up on the correct axis of rotation rather than dropping the chin downward allows proper disengagement. The movement often incorporates a small lateral step or weight shift to generate momentum that assists the rotational escape. Hand positioning matters significantly; maintaining an extended guard hand aids both defense and counter-attack readiness. Core JKD emphasizes maintaining relaxed tension during the escape to maximize contact surface area and generate proper mechanical advantage, while both 49 North Wrestling and The Grapplers Guide stress the importance of hand speed and timing in executing the technique cleanly. The duck's effectiveness depends on understanding that rotational force transfers through the entire body rather than isolated arm movement.
Synthesized from 3 instructors
- 49 North Wrestling — Saeed Azarbayjani Technique: Countering 2 on 1 With A Leg Attack: Discusses hand-fighting mechanics and elbow positioning during clinch exchanges; emphasizes hand speed and the importance of pushing at specific angles to control opponent weight distribution.
- The Grapplers Guide by Jason Scully — Sasae Tsurikomi Course - Standard Fundamentals by Vladislav Koulikov: Covers torque mechanics and body positioning during throwing techniques; demonstrates the role of pulling action, footwork, and maintaining connected posture while executing movement.
- corejkd — How To Escape the 50-50 Head Control Tie up - Core JKD: Provides detailed instruction on head-neck escape mechanics, emphasizing head elevation, shoulder shrugging, spinal rotation on the correct axis, and the integration of stepping mechanics to generate momentum for disengagement.
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Ratings
Risk of injury to the person this technique is applied to
1
Low1/10
Evasion techniques avoid contact entirely; lowest injury risk of all techniques
Skill level needed to execute this technique reliably
Advanced
Whether this technique is allowed under major competition rule sets
— Unified MMA — Legal defensive technique
Unified Rules of MMA, August 2025PDFWBC/Boxing — Legal — blocking and evasion are core boxing skills {src— WBC Rules of Boxing}
— WKF — Legal — blocking is a fundamental karate skill
WKF Competition Rules 2024PDFKyokushin — Legal {src— IKO Kyokushin Tournament Rules}
— WT — Legal
WT Competition Rules 2024PDF— WAKO — Legal
WAKO Competition RulesPDFK-1/GLORY — Legal {src— K-1/GLORY Kickboxing Rules}
— IFMA — Legal
IFMA Muay Thai RulesPDFTraining Notes
✓From fighting stance, explosively bend both knees to drop your head below the level of the incoming strike
✓Keep your back relatively straight and eyes up — you're lowering your body, not bending forward
✓Your hands stay at chin level throughout the duck
✓Once below the strike, immediately rise with a counter (uppercut, hook) or transition into a takedown entry
✓The duck should take less than half a second — explosive down, explosive up
✓Drill against a partner swinging a pool noodle or pad at head height — duck and immediately counter
✓In MMA, drill the duck-to-double-leg sequence: duck the punch, keep the level change, and penetrate for the legs
Common Mistakes
!Bending forward instead of downward — the spine stays vertical; the knees do the work
!Closing your eyes — you must see what follows the strike you ducked
!Staying low — the duck is a momentary level change, not a sustained low position
!Dropping the hands to the floor — hands stay at chin level for guard
!Ducking into the opponent's clinch range without a plan — if you duck without shooting, they headlock you
!Using the duck repeatedly in the same sequence — the opponent times an uppercut or knee to your lowered head
!Not training the duck at full speed — slow drills don't develop the reflexive speed needed
Related Techniques
Counter Techniques
Setup Chain
1Anticipate the Attack — read the opponent's intention through body cues
2Execute Defence — apply the specific defensive technique with proper timing
3Recover Stance — return to a balanced fighting position immediately
4Counter or Disengage — capitalize on the opening or create safe distance
Sources & References
Primary Source
Boxing (Edwin Haislet, 1940)
1BookBoxing (Dempsey, 1950)
Alias sources — [1] Championship Fighting (Dempsey, 1950) [2] Boxing Mastery (Hatmaker, 2004) [3] Fighter's Fact Book (Christensen, 2000)
2BookChampionship Fighting (Dempsey, 1950)
Effectiveness sources — [1] Championship Fighting (Dempsey, 1950) [2] Muay Thai Counters (Delp, 2005)
3OtherJapanese Combat Sports Katakana Convention
Standard katakana transliteration of Western martial arts terminology (外来語) — used in Japanese MMA, boxing, and BJJ communities
4CitationBoxing (Dempsey, 1950)
Alias sources — [1] Championship Fighting (Dempsey, 1950) [2] Boxing Mastery (Hatmaker, 2004) [3] Fighter's Fact Book (Christensen, 2000)
5CitationChampionship Fighting (Dempsey, 1950)
Effectiveness sources — [1] Championship Fighting (Dempsey, 1950) [2] Muay Thai Counters (Delp, 2005)
Community
Athletics
Requires
neck flexibility, knee bend coordination, visual tracking
Favours
shorter stature for easier level changes, strong neck
Key muscles
neck muscles, quadriceps, obliques, calves
Frequently Asked Questions
What's the key to making the standard duck effective when your opponent is resisting?
According to Vladislav Koulikov, the standard action involves pulling at one point, jacking up at another, and stepping with your opposite leg to generate proper leverage and control.
How do I control my opponent's angle when setting up a leg attack from a 2-on-1?
Saeed Azarbayjani emphasizes that you should push to the angle rather than directly pushing your opponent, and use your hand to twist your wrist into them while catching the elbow—this makes them heavy on that leg and forces extension.
Why is hand speed so important when executing this technique?
According to Saeed Azarbayjani, quickness of your hands is very important when dropping the leg and calling the ankle, as timing allows you to catch your opponent before they can defend.
How does the Standard Duck work?
The Standard Duck executes the fundamental ducking defence where the fighter rapidly drops their level by bending deeply at the knees, lowering the entire torso to bring the head below the incoming strike's arc. The movement must be quick and compact — a sharp downward bend of the knees with the back relatively straight to maintain balance and vision of the opponent.
Where does the Standard Duck come from?
The standard duck is one of the most basic defensive techniques in boxing and has been taught since the sport's earliest formalisation. It remains a fundamental skill in all striking martial arts and MMA.
Is the Standard Duck legal in competition?
Unified MMA: legal — Legal defensive technique; WBC/Boxing: legal — Legal — blocking and evasion are core boxing skills; WKF: legal — Legal — blocking is a fundamental karate skill; Kyokushin: legal — Legal; WT: legal — Legal; WAKO: legal — Legal; K: legal — 1/GLORY — Legal; IFMA: legal — Legal
How dangerous is the Standard Duck?
Danger rating 1/10. Low — evasion techniques avoid contact entirely; lowest injury risk of all techniques
How do I set up the Standard Duck?
The standard setup chain: Anticipate the Attack → Execute Defence → Recover Stance → Counter or Disengage.
How do I defend against the Standard Duck?
Standard counters include: Timing — attack when the defence is recovering or between movements / Feint — use deception to create openings in the defensive structure / Angle Change — attack from an unexpected angle that the defence does not cover.
What are the variants of the Standard Duck?
Common variants: Inside slip (moving the head to the inside of the incoming punch); Outside slip (moving the head to the outside of the incoming punch); Bob and weave (ducking under a hook and rising on the other side); Pull-back (leaning the head and torso backward to make the punch fal…).
How effective is the Standard Duck in competition?
Used in boxing competition.
What are common mistakes when doing the Standard Duck?
Top errors to watch for: Bending forward instead of downward — the spine stays vertical; the knees do the work / Closing your eyes — you must see what follows the strike you ducked / Staying low — the duck is a momentary level change, not a sustained low position / Dropping the hands to the floor — hands stay at chin level for guard.
What are other names for the Standard Duck?
The Standard Duck is also known as Sutandādo Dakkingu, Knee Bend Duck, Drop Under, Quick Duck.