10 Elbow Locks Every Martial Artist Must Know.
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From Seated : GuardΒ·Straight Circle Martial ArtsΒ·Added by Admin
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Translation: from seated/guard
Range & classification
Category
Strike & defenceLocksClose rangeFighting multiple people
Distance
CloseMiddleLong
Body target
Upper bodyMiddle bodyLower body
Overview
The Z-lock from seated guard is a wrist lock that bends the opponent's wrist into a Z-shaped configuration by combining flexion with lateral deviation. [1] Applied from guard, the attacker traps the hand and uses forearm pressure to create a compound angle that attacks multiple planes of wrist mobility simultaneously. [1],[2]
History & Origin
The Z-lock from guard is a wrist lock that bends the opponent's hand into a Z-shaped configuration by simultaneously applying lateral and flexion pressure. Unlike standard wrist flexion attacks, the Z-lock torques the wrist at a diagonal angle, stressing both the radial and ulnar ligaments simultaneously. [1] The technique has roots in Japanese jujutsu's kote-waza (wrist techniques) and was preserved in certain koryu systems before being adopted into Brazilian Jiu-Jitsu. [2] The guard position is particularly suited to Z-lock attacks because the bottom player can use closed guard to immobilise the opponent's torso while both hands work to isolate and torque the wrist. [3] Cunningham classifies the Z-lock as an advanced small-joint manipulation that requires precise angle and grip placement to be effective without excessive force. [1]
Country of originΒ· shown in random order
- BrazilBJJ, Submission Grappling, MMA
- JapanεΊ§δ½γ»γ¬γΌγγγ(Zai / GΔdo kara)BJJ, Judo, Submission Grappling
- USASubmission Grappling, MMA
- RussiaSambo
- ChinaChin Na
Effectiveness
Seated guard submissions exploit the seated position's hip mobility to attack with guillotines, arm drags to back takes, and leg entanglements. [1]
Lineage
Seated guard submissions were refined in modern BJJ competition, particularly in no-gi formats where seated guard became a primary playing position. [1]
Competition Record
Seated guard attacks are a standard part of modern no-gi competition, used extensively at ADCC and no-gi IBJJF events. [1]
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Biomechanical Mechanism
Primary Action β Forced flexion, extension, or rotation of the wrist beyond its normal range of motion
Joints Involved β Radiocarpal joint (wrist), intercarpal joints, distal radioulnar joint
Force Vector β Two-point control β one hand stabilises the forearm while the other drives the wrist into flexion, extension, or deviation
Vulnerability β Small joint with limited muscular protection makes it susceptible to sudden, low-force submissions
Position & Entry
From any grip exchange β During grip fighting, isolate the opponent's wrist with two-on-one control and apply sudden flexion or rotation
From guard (gi) β When opponent posts a hand on the mat or chest, trap the wrist and apply downward pressure for the wrist lock
From mount or side control β Opponent posts to escape, trap the wrist against the mat and apply the lock
Variants
Standard wrist lock (kote gaeshi) β two-handed rotational lock on the wrist
Gooseneck wrist lock β flexion lock bending the wrist down toward the forearm
Standing wrist lock β applied during grip fighting or a standing exchange
Ground wrist lock β catching the opponent's posted hand from mount, side control, or guard
Videos
1 video
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Ratings
Risk of injury to the person this technique is applied to
5
High5/10
Wrist lock variant targeting carpal and radioulnar joints through forced deviation or torsion
Skill level needed to execute this technique reliably
Advanced
Whether this technique is allowed under major competition rule sets
Illegal
β kansetsu-waza
IJF Sport and Organisation Rules 2025, Article 27PDFLegal
β IBJJF β Legal at all belt levels
IBJJF Rules Book v6.0, June 2024PDFβ ADCC β Legal β all submissions legal in ADCC
ADCC Rules Update, April 2025PDFβ Unified MMA β Legal submission technique
Unified Rules of MMA, August 2025PDFβ FIAS Sport Sambo β Legal
FIAS International Sambo Competition RulesPDFβ FIAS Combat Sambo β Legal
FIAS Combat Sambo RulesPDFTraining Notes
βSubmissions from seated or guard position attack the opponent from the bottom β using the legs and guard to control while the arms apply locks (Danaher, New Wave Jiu Jitsu, 2020)
βThe seated guard provides a unique submission angle: the bottom player can attack the wrist, arm, or shoulder of the top player who is trying to pass
βGuard-based wrist locks target the hands that the top player posts on the mat or on the bottom player's body β these posted hands are vulnerable to immediate locks
βThe closed guard provides the best wrist lock platform: the legs prevent the opponent from posturing away while the hands attack the wrist
βSeated guard wrist locks appear during sweeping attempts: the hand control for a sweep naturally exposes the wrist for a lock
βThe transition between sweep, submission, and wrist lock is seamless from guard: failing one opens the others
βGuard wrist locks are legal from blue belt in IBJJF β they are among the first surprise submissions available to advancing competitors
Common Mistakes
!Sacrificing guard position for the wrist lock β maintain guard integrity while attacking the wrist; losing guard for a failed wrist lock is a poor trade
!Not using the legs to prevent posture β the guard must restrict the opponent's ability to retract the arm
!Attempting against retracted hands β the opponent's hands must be committed (pushing, posting, gripping) for the wrist lock to work
!Not integrating wrist locks with the guard game β wrist locks should complement sweeps, armbars, and triangles, not exist in isolation
!Signalling the attack β don't telegraph by staring at or reaching for the hand; maintain normal guard grips until the moment of attack
!Using wrist locks as the sole guard strategy β they are supplementary; build them into a complete guard system
!Releasing after a failed attempt without transitioning β the hand control from a failed wrist lock should feed directly into a sweep or armbar
Related Techniques
Counter Techniques
Setup Chain
1Establish Position β achieve the controlling position needed for this submission
2Create the Threat β begin the submission setup to force a defensive reaction
3Secure the Hold β lock the submission grip with proper body mechanics
4Finish β apply increasing pressure until the opponent taps or the joint/choke takes effect
Sources & References
Primary Source
Japanese BJJ community standard katakana transliteration
1OtherJapanese Martial Arts Community Terminology
Japanese BJJ community standard katakana transliteration
2OtherJapanese Martial Arts Hybrid Terminology
Mixed Japanese-Western terminology β combines traditional Japanese terms with katakana loanwords
3CitationJapanese BJJ community standard katakana transliteration
Japanese terminology sourced from Japanese BJJ community standard katakana transliteration
Community
Athletics
Requires
fine motor control, grip sensitivity, quick hand transitions
Favours
dexterous hands with strong fingers
Key muscles
forearm flexors and extensors, intrinsic hand muscles
Frequently Asked Questions
Why isn't my elbow lock working when I apply it?
According to Straight Circle Martial Arts, you need to stretch your opponent so their elbow comes completely straight before applying the lock. If the elbow is bent, the lock won't be effective and they'll have too much play to escape.
How should my hips move when executing an elbow lock?
Straight Circle Martial Arts emphasizes that your hip movement must align with your hand directionβif your hand goes forward and pulls one way, your hip should go that same way. If they don't move together, the technique won't generate proper pressure.
Should I push or expand when finishing an elbow lock?
Straight Circle Martial Arts teaches that you should expand into the lock rather than pushβthink of it like punching. One hand comes up while the other comes down, creating a two-directional expansion that's more effective than a simple pushing motion.
What's the key to making elbow locks work on a defensive opponent?
Straight Circle Martial Arts stresses that all joints must be fully extended so your opponent is weakβif they're in a strong, bent-arm position, none of the elbow locks will work effectively.
How does the From Seated : Guard work?
The Z-lock from seated guard is a wrist lock that bends the opponent's wrist into a Z-shaped configuration by combining flexion with lateral deviation. Applied from guard, the attacker traps the hand and uses forearm pressure to create a compound angle that attacks multiple planes of wrist mobility simultaneously.
Where does the From Seated : Guard come from?
The Z-lock from guard is a wrist lock that bends the opponent's hand into a Z-shaped configuration by simultaneously applying lateral and flexion pressure. Unlike standard wrist flexion attacks, the Z-lock torques the wrist at a diagonal angle, stressing both the radial and ulnar ligaments simultaneously.
Is the From Seated : Guard legal in competition?
IBJJF: legal β Legal at all belt levels; IJF: banned β Only elbow joint locks (kansetsu-waza) permitted in judo β all other joint loβ¦; ADCC: legal β Legal β all submissions legal in ADCC; Unified MMA: legal β Legal submission technique; FIAS Sport Sambo: legal β Legal; FIAS Combat Sambo: legal β Legal
How dangerous is the From Seated : Guard?
Danger rating 5/10. Wrist lock variant targeting carpal and radioulnar joints through forced deviation or torsion
How do I set up the From Seated : Guard?
The standard setup chain: Establish Position β Create the Threat β Secure the Hold β Finish.
How do I defend against the From Seated : Guard?
Standard counters include: Early Recognition β identify the submission attempt early and begin defence immediately / Posture and Base β maintain strong posture and base to prevent submission setups / Grip Fight β deny the attacker their preferred gripping configuration.
What are the variants of the From Seated : Guard?
Common variants: Standard wrist lock (kote gaeshi) (two-handed rotational lock on the wrist); Gooseneck wrist lock (flexion lock bending the wrist down toward the forearm); Standing wrist lock (applied during grip fighting or a standing exchange); Ground wrist lock (catching the opponent's posted hand from mount, side contβ¦).
How effective is the From Seated : Guard in competition?
Seated guard attacks are a standard part of modern no-gi competition, used extensively at ADCC and no-gi IBJJF events.
What are common mistakes when doing the From Seated : Guard?
Top errors to watch for: Sacrificing guard position for the wrist lock β maintain guard integrity while attacking the wrist; losing guard for β¦ / Not using the legs to prevent posture β the guard must restrict the opponent's ability to retract the arm / Attempting against retracted hands β the opponent's hands must be committed (pushing, posting, gripping) for the wrisβ¦ / Not integrating wrist locks with the guard game β wrist locks should complement sweeps, armbars, and triangles, not eβ¦.
What are other names for the From Seated : Guard?
The From Seated : Guard is also known as Zai / GΔdo kara, Guard Z-Lock, Seated Z Wrist Lock.