Katagatame (Head and Arm Choke) from Mount - No Gi BJJ / Jiu-Jitsu
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Kata Gatame·Brian Glick
Katagatame: the head and arm choke from the mounted position isn’t only a powerful submission. It’s also a very robust m…
Kata Gatame
Genus肩固め(Kata Gatame)
TraditionalTranslation: Shoulder Hold / Arm-and-Head Lock
Overview
History & Origin
Traditional in Judo (Kata Gatame) and later adopted in Brazilian Jiu-Jitsu for guard and top control submissions.
Effectiveness
The arm triangle (kata-gatame) is one of the highest-percentage chokes from top position, using the opponent's own trapped shoulder as a compression point against the neck to create bilateral carotid occlusion. [1],[2] The technique works identically in gi and no-gi, making it a staple in both BJJ competition and MMA. [1] When applied from side control with correct sprawl pressure, defensive options are extremely limited. [2],[3]
Lineage
Competition Record
Images
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Biomechanical Mechanism
Action — Lateral compression of neck and arm
Joints Affected — Neck (carotid arteries), shoulder, upper arm
Torque Direction — Side pressure compressing arteries; slight rotation of neck and shoulder stabilizes hold
Position & Entry
From mount — Slide around opponent’s trapped arm, lock head
From guard — Control opponent’s arm, pivot to side
From side control — Underhook arm, drive shoulder into neck
From north-south — Wrap arm around head, apply shoulder pressure
From turtle — Wrap arm, roll into kata gatame
Videos
Arm Triangle Choke from Mount - ArmTriangle Kata Gatame BJJ Grappling Judo Basics for MMA
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Kata Gatame·Peter Mettler Martial Arts
Head and Arm Choke from Mount Finishing Details
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Kata Gatame·Roger Gracie TV
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3 videosWhat Instructors Say
Kata Gatame (head and arm choke) from mount is a high-percentage submission that capitalizes on arm positioning to create a choke around the opponent's neck. All three instructors—Roger Gracie TV, Peter Mettler Martial Arts, and Brian Glick—emphasize the critical importance of elevating the opponent's elbow to shoulder line before establishing the choke. Roger Gracie and Brian Glick both stress using body mechanics rather than arm strength to raise the elbow, with Glick specifically detailing how to use chest pressure and hip movement to roll the arm up. Peter Mettler frames the technique as an "elbow explosion move" where the neck passes to the outside of the opponent's elbow. All three agree on hand positioning: the choking arm wraps deeply around the neck with the forearm behind it, while the second hand locks palm-to-palm for compression. Peter Mettler and Brian Glick emphasize maintaining a 90-degree angle with both forearm and upper arm relative to the opponent's centerline, and all three stress keeping the head low and creating minimal chest-to-chest contact by sliding off to the side. Roger Gracie and Peter Mettler detail the mount exit, prioritizing foot activation first to prevent half-guard entrapment. Brian Glick provides the most systematic breakdown of elbow positioning relative to the shoulder line as the foundational checkpoint. All instructors note the technique requires minimal force once properly positioned, relying on anatomical compression of the trachea and carotid arteries.
Synthesized from 3 instructors
- Roger Gracie TV — Head and Arm Choke from Mount Finishing Details: Detailed mechanics of arm elevation using body angle rather than muscular lifting; positioning of forearm behind neck for maximum choke tightness; hip rotation during finish for increased pressure; systematic mount exit to avoid half-guard
- Peter Mettler Martial Arts — Arm Triangle Choke from Mount - ArmTriangle Kata Gatame BJJ Grappling Judo Basics for MMA: Framing as elbow explosion technique; emphasis on 90-degree angles for forearm and upper arm; detailed explanation of compression mechanics (wrapping circle becoming smaller); hand-locking sequence; elbow-on-floor positioning for exposure; minimal force requirement for finish
- Brian Glick — Katagatame (Head and Arm Choke) from Mount - No Gi BJJ / Jiu-Jitsu: Systematic elbow-line checkpoint as key finishing prerequisite; chest-and-hip mechanics for arm elevation; deep elbow positioning before wrapping; C-grip for clearing opponent's arm across centerline; comparative analysis of elbow positions above versus below shoulder line
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Ratings
Risk of injury to the person this technique is applied to
9
Extreme9/10
Can render unconscious quickly; requires careful training and tap awareness.
Skill level needed to execute this technique reliably
Intermediate
Whether this technique is allowed under major competition rule sets
Illegal
FIAS Sport Sambo— no chokes in sport sambo, FIAS Rules 2024
Restricted
IBJJF— with caution
Legal
IJFUnified MMAADCC
Training Notes
✓Practice slowly; focus on squeezing carotid arteries, not neck vertebrae. Use compliant partners. Ensure quick tap awareness.
Common Mistakes
!Head placement too high or low
!Insufficient shoulder pressure
!Arm not fully trapped
!Poor body alignment reduces choke effectiveness
Related Techniques
Counter Techniques
Tuck Chin — protect the neck by lowering the chin to prevent the choke from sinkingTwo-on-One Grip Fight — use both hands to strip the choking grip before it locksTurn Into — rotate toward the choking arm to relieve carotid pressurePosture Up — straighten the spine and create distance to break the choking angle
Setup Chain
1Slide around opponent’s trapped arm, lock head
2Control opponent’s arm, pivot to side
3side control
4Underhook arm, drive shoulder into neck
5north-south
Sources & References
Primary Source
Kodokan Judo — Official Katame-waza Classification (肩固め Kata-gatame)
1BookKodokan Judo — Official Katame-waza Classification (肩固め Kata-gatame)
Japanese terminology sourced from Kodokan Judo — Official Katame-waza Classification (肩固め Kata-gatame)
Official Kodokan ground technique classification system
3OtherJapanese Martial Arts Standard Terminology (武道用語)
Established Japanese martial arts naming convention — native Japanese term (和語/漢語)
4CitationKodokan Judo — Official Katame-waza Classification (肩固め Kata-gatame)
Japanese terminology sourced from Kodokan Judo — Official Katame-waza Classification (肩固め Kata-gatame)
Community
Athletics
Requires
hip flexibility, long legs relative to torso
Favours
longer limbs for easier figure-four lock around head and arm
Key muscles
hip adductors, hamstrings, quadriceps
Sub-techniques
Arm Triangle Choke — From Guard
SpeciesA head-and-arm choke applied from the guard position, where the attacker traps the opponent’s arm and head between their own arm and torso. The attacker pivots their hips and angles to the side to compress the opponent’s carotid arteries using the shoulder and opponent’s own arm. Effective when transitioning from failed triangle choke or armbar attempts.
Explore
Arm Triangle Choke — From Guard
SpeciesA head-and-arm choke applied from the guard position, where the attacker traps the opponent’s arm and head between their own arm and torso. The attacker pivots their hips and angles to the side to compress the opponent’s carotid arteries using the shoulder and opponent’s own arm. Effective when transitioning from failed triangle choke or armbar attempts.
6 varieties·6 techniquesExplore
Arm Triangle Choke — From Knee on Belly
SpeciesAn arm triangle choke variation applied from the knee-on-belly position. The attacker drives the knee across the opponent’s torso to control posture, while isolating one arm against the opponent’s head. The top shoulder and chest compress the opponent’s trapped arm into the neck, while body weight and hip angle drive the choke. This setup combines positional dominance with immediate submission pressure.
4 varieties·4 techniquesExplore
Arm Triangle Choke — From Mount
SpeciesA classic arm triangle choke variation applied from the mounted position. The attacker isolates the opponent’s arm against the head, driving shoulder pressure into the neck while lowering chest weight. From mount, the attacker can angle the body and slide off to the side if needed to maximize choke pressure. This position offers strong control with both submission threat and positional dominance.
3 varieties·3 techniquesExplore
Arm Triangle Choke — From Side Control
SpeciesA head-and-arm choke variation applied from side control. The attacker traps the opponent’s far arm across their neck while lowering the shoulder and chest beside the head, applying strong lateral compression. Side control creates a natural angle that increases choke tightness and prevents bridging defenses.
2 varieties·2 techniquesExplore
Arm Triangle Choke — From Turtle
SpeciesA flexion wrist lock involves forcing the hand downward toward the inner forearm (palmar flexion), applying pressure on the radiocarpal joint. Causes intense pain and injury risk.
3 varieties·3 techniquesExplore
Arm Triangle — From North-South
SpeciesA head-and-arm choke applied from the north-south position. The attacker traps one of the opponent’s arms across their neck, drops the near-side shoulder beside the head, and sprawls chest and hips to seal the carotids. The angle removes bridging power and makes late escapes difficult. Often entered when the defender turns in or as a finish after sliding off from mount or side control.
1 varieties·1 techniquesExplore
Arm Triangle — From North-South
SpeciesA head-and-arm choke applied from the north-south position. The attacker traps one of the opponent’s arms across their neck, drops the near-side shoulder beside the head, and sprawls chest and hips to seal the carotids. The angle removes bridging power and makes late escapes difficult. Often entered when the defender turns in or as a finish after sliding off from mount or side control.
Explore
Notes
Can transition from failed triangle or armbar attempts; commonly chained in positional sequences.
Frequently Asked Questions
What's the most common beginner mistake when setting up kata gatame?
A common mistake is pushing your shoulder into the opponent's jaw, which is uncomfortable but not tight enough to finish. Instead, keep your forearm at 90 degrees to their centerline and ensure your bicep closes around their neck for a proper choke.
How do I get my opponent's elbow up to pass it over their head?
Rather than trying to muscle the arm up directly, use your hips and chest to roll their arm forward, which naturally brings the elbow up. This method is more effective than trying to lift with strength alone, especially against stronger opponents.
Why should I keep my hips low in mount before attacking kata gatame?
Keeping your hips low prevents your opponent from getting space to escape via elbow escape or bump you off. If your hips are high, there's too much space for your opponent to create opportunities to defend.
Should I pull or push to finish the choke?
Push against your opponent's chin for a strong choke rather than pulling against their neck, as they can resist pulling fairly well. The key is compression of the neck rather than rotation.
How does the Kata Gatame work?
A choke where the opponent’s arm and head are trapped against the attacker’s shoulder, restricting blood flow to the brain via carotid arteries. Can induce unconsciousness if held.
Where does the Kata Gatame come from?
Traditional in Judo (Kata Gatame) and later adopted in Brazilian Jiu-Jitsu for guard and top control submissions.
How dangerous is the Kata Gatame?
Danger: 9/10 | Can render unconscious quickly; requires careful training and tap awareness.
How do I set up the Kata Gatame?
The standard setup chain: Slide around opponent’s trapped arm, lock head → Control opponent’s arm, pivot to side → side control → Underhook arm, drive shoulder into neck → north-south.
How do I defend against the Kata Gatame?
Standard counters include: Tuck Chin — protect the neck by lowering the chin to prevent the choke from sinking / Two-on-One Grip Fight — use both hands to strip the choking grip before it locks / Turn Into — rotate toward the choking arm to relieve carotid pressure / Posture Up — straighten the spine and create distance to break the choking angle.
What are the variants of the Kata Gatame?
Common variants: Classic arm triangle (head-and-arm); Mounted arm triangle; Side control arm triangle; North-south arm triangle; From turtle to arm triangle roll.
How effective is the Kata Gatame in competition?
The arm triangle is a frequent finish in UFC competition. Khabib Nurmagomedov, Jon Jones, and numerous other champions have finished fights with the arm triangle.
What are common mistakes when doing the Kata Gatame?
Top errors to watch for: Head placement too high or low / Insufficient shoulder pressure / Arm not fully trapped / Poor body alignment reduces choke effectiveness.
What are other names for the Kata Gatame?
The Kata Gatame is also known as Kata Gatame, Arm Triangle, Side Headlock, Kata Gatame Choke.