Armlock Defence

Family

Translation: armlock defence

Range & classification

Overview

The Armlock Defence family covers all defensive techniques used to prevent or escape from arm-based joint locks including armbars, kimuras, americanas, and wrist locks. ^[1] Armlock defence operates on the principle of preventing the opponent from isolating the arm and extending or rotating it past its anatomical limit. ^[1],[2] The primary defensive strategies are grip fighting (preventing the opponent from controlling the arm), stacking (driving weight forward to relieve extension pressure), and the hitchhiker escape (rotating out of the armbar's fulcrum). ^[2],[3]

Also known as

Arm Lock Escape^[1]Joint Lock Defence^[2]Anti-Armbar^[3]

Used in

BJJ MMA Judo Sambo Catch Wrestling

History & Origin

Armlock defences have been taught alongside armlock attacks since the earliest jujutsu and judo systems. ^[1] BJJ's competitive evolution drove the development of increasingly sophisticated armlock escapes, with the hitchhiker escape becoming one of the most important defensive innovations in modern grappling. ^[2],[3]

Country of origin· shown in random order

BrazilBJJ, MMA
Japan腕関節技ディフェンス(Ude Kansetsu-waza Difensu)BJJ, Judo
USAMMA, Catch Wrestling
RussiaSambo
EnglandCatch Wrestling

Effectiveness

Armlock defence uses grip fighting, posture, stacking, and positional awareness to prevent arm submissions. ^[1],[2]

Lineage

Armlock defence was developed alongside arm attack systems in judo and BJJ. ^[1]

Competition Record

Armlock defence is essential in BJJ and MMA competition. ^[1]

Images

No images yet for this technique.

Biomechanical Mechanism

Primary Action — Preventing or reducing the effect of an incoming attack through physical interception, evasion, or structural positioning

Joints Involved — Varies by defence type — blocks use arms/shins, evasions use head/body movement, sprawls use hips

Force Vector — Opposing or tangential to the attack — either absorbing, redirecting, or evading the incoming force

Defensive Principle — Economy of motion — the best defence uses minimal movement to neutralise the maximum threat

Position & Entry

From clinch or ground — When the opponent secures a controlling grip, use two-on-one, stripping, or peeling motions to break their hold

As preemptive defence — Break the opponent's grip before they can execute their intended technique

Videos

Master Wong

Self defence How to escape from armlock

Armlock Defence·Master Wong

Self defence How to escape from armlock Subscribe for more videos, click here: https://www.youtube.com/user/138mws Ge…

1 video

Learn This Technique

No instructional courses yet for this technique.

Ratings

Danger Rating

Risk of injury to the person this technique is applied to

Moderate3/10

Submission defence involves resisting joint locks/chokes; risk of injury if defence fails or is delayed

Difficulty

Skill level needed to execute this technique reliably

Intermediate

Competition Legality

Whether this technique is allowed under major competition rule sets

— Unified MMA — Legal defensive technique

Unified Rules of MMA, August 2025PDF

— IBJJF — Legal — defensive techniques are fundamental to g...

IBJJF Rules Book v6.0, June 2024PDF

— IJF — Legal defensive action

IJF Sport and Organisation Rules 2025, Article 27PDF

— ADCC — Legal

ADCC Rules Update, April 2025PDF

— UWW — Legal defensive technique

UWW International Wrestling Rules, January 2026PDF

— FIAS Sport Sambo — Legal

FIAS International Sambo Competition RulesPDF

Training Notes

✓Armlock defence begins with grip fighting — if the opponent cannot isolate your arm, they cannot apply the lock (Danaher, Enter The System, 2018)

✓The hierarchy of armlock defence: (1) prevent arm isolation, (2) fight the grip, (3) stack or hitchhiker escape, (4) posture and pull free

✓Keep elbows tight to your body — an elbow that drifts away from the torso is an invitation for armbars and kimuras

✓In guard, posture is your primary armlock defence — sit up tall, hands on the opponent's hips or biceps, elbows in

✓Against armbars from mount, the 'answer the phone' grip (hand to opposite ear) buys time while you work to escape

✓Against kimuras, clamp the attacked arm to your body and work to free the wrist grip — the kimura requires wrist control to finish

✓Train armlock defence under fatigue — most armbars catch fighters when tired and their elbows drift

Common Mistakes

!Waiting until the arm is fully extended to begin defending — fight the grip and positioning early, before isolation

!Relying on strength to resist the extension — technical defence (stacking, hitchhiker, grip fighting) is sustainable; muscling out exhausts you

!Reaching with the free hand across your body — this exposes the second arm to attacks

!Pulling the arm straight back against the hips — the opponent's hip bridge is stronger than your pull; use angles instead

!Defending the armbar but ignoring the triangle setup — armbar defence that brings your posture down invites triangles

!Panicking and rolling wildly — uncontrolled movement often makes the position worse and opens other submissions

!Crossing your feet when stacking — this compromises your base and can lead to sweeps

Related Techniques

Counter-Attack — offensive follow-up that capitalizes on successful defence

Counter Techniques

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

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)

1BookJiu-Jitsu University (Ribeiro, 2008)

Alias sources — [1] Jiu-Jitsu University (Ribeiro, 2008) [2] Mastering Jujitsu (Gracie & Danaher, 2003) [3] Enter the System (Danaher, 2018)

2BookBrazilian Jiu-Jitsu: Theory and Technique (Gracie & Gracie, 2001)

Effectiveness sources — [1] Mastering Jujitsu (Gracie & Danaher, 2003) [2] Jiu-Jitsu University (Ribeiro, 2008)

3OtherJapanese Martial Arts Hybrid Terminology

Mixed Japanese-Western terminology — combines traditional Japanese terms with katakana loanwords

4CitationJiu-Jitsu University (Ribeiro, 2008)

Alias sources — [1] Jiu-Jitsu University (Ribeiro, 2008) [2] Mastering Jujitsu (Gracie & Danaher, 2003) [3] Enter the System (Danaher, 2018)

5CitationBrazilian Jiu-Jitsu: Theory and Technique (Gracie & Gracie, 2001)

Effectiveness sources — [1] Mastering Jujitsu (Gracie & Danaher, 2003) [2] Jiu-Jitsu University (Ribeiro, 2008)

Community

Athletics

Requires

grip fighting technique, forearm endurance, timing

Favours

strong hands and forearms, quick stripping motions

Key muscles

forearm flexors/extensors, wrist rotators, biceps

Sub-techniques

Find by what a technique does — not its name

Every move, in any martial art, shares a few universal traits. Mix and match below to pinpoint the right tool — or compare equivalents across styles.

Grip Fighting Defence

SubFamily

The Grip Fighting Defence subfamily covers armlock defence techniques where the defender prevents the submission by maintaining grip connections that stop the opponent from isolating and extending the arm. [1] The most common grip defence is clasping the hands together — Gable grip, S-grip, or interlocking fingers — preventing the opponent from straightening the arm for an armbar. [1,2] Grip fighting defence is the first line of armlock defence, buying time while the defender works for a positional escape. [2,3]

1 genera·1 techniquesExplore

Hitchhiker Defence

SubFamily

The Hitchhiker Defence subfamily covers the armbar escape technique where the defender rotates in the direction of the thumb (like a hitchhiking motion), turning the body to relieve the hyperextension pressure on the elbow joint. [1] The hitchhiker escape works by changing the angle of the arm relative to the attacker's fulcrum — by rotating toward the thumb side, the defender turns the arm so the elbow is no longer aligned with the attacker's hips, removing the leverage needed for the armbar. [1,2] The escape is completed by rolling through the rotation and either recovering guard or establishing top position. [2,3]

1 genera·1 techniquesExplore

Stacking Defence

SubFamily

The Stacking Defence subfamily covers armlock defence techniques where the defender drives their weight forward and upward, compressing the attacker beneath them to relieve the extension pressure on the arm and create conditions for escape. [1] Stacking works by collapsing the space the attacker needs to apply leverage — when the defender's weight is stacked on top of the attacker, the attacker cannot fully extend the arm because their body is compressed. [1,2] The stacking defence transitions to guard pass attempts as the defender uses the forward pressure to work past the attacker's legs. [2,3]

1 genera·1 techniquesExplore

Notes

Armlock defense prioritizes prevention over escape — keeping the arm bent and close to the body prevents the attacker from isolating and extending it. Once the arm is fully extended, escape is nearly impossible. The Gable grip (clasping both hands together) is the primary last-resort defense. (Ribeiro, Jiu-Jitsu University)

Frequently Asked Questions

What's the key to escaping an armlock?

According to Master Wong, escaping an armlock is basic and simple if you know what you're doing. The most important thing is to support your arm with your other hand to prevent it from being broken.

How do I prevent my opponent from applying the armlock successfully?

Master Wong emphasizes pushing their arm down to prevent them from securing the lock position, which stops them from being able to apply pressure upward.

What should I do first when caught in an armlock?

Master Wong stresses that saving your arm should be your first priority before attempting any other defensive or counter actions.

How does the Armlock Defence work?

The Armlock Defence family covers all defensive techniques used to prevent or escape from arm-based joint locks including armbars, kimuras, americanas, and wrist locks. Armlock defence operates on the principle of preventing the opponent from isolating the arm and extending or rotating it past its anatomical limit.

Where does the Armlock Defence come from?

Armlock defences have been taught alongside armlock attacks since the earliest jujutsu and judo systems. BJJ's competitive evolution drove the development of increasingly sophisticated armlock escapes, with the hitchhiker escape becoming one of the most important defensive innovations in modern grappling.

Is the Armlock Defence legal in competition?

Unified MMA: legal — Legal defensive technique; IBJJF: legal — Legal — defensive techniques are fundamental to grappling; IJF: legal — Legal defensive action; ADCC: legal — Legal; UWW: legal — Legal defensive technique; FIAS Sport Sambo: legal — Legal

How dangerous is the Armlock Defence?

Danger rating 3/10. Moderate — submission defence involves resisting joint locks/chokes; risk of injury if defence fails or is delayed

How do I set up the Armlock Defence?

The standard setup chain: Anticipate the Attack → Execute Defence → Recover Stance → Counter or Disengage.

How do I defend against the Armlock Defence?

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 Armlock Defence?

Common variants: Standard defence (primary defensive technique from the most common position); Reactive defence (triggered by the opponent's attack, minimal movement for …); Proactive defence (anticipating the attack and positioning to neutralise it …); Counter defence (using the defensive movement to create an immediate count…).

How effective is the Armlock Defence in competition?

Armlock defence is essential in BJJ and MMA competition.

What are common mistakes when doing the Armlock Defence?

Top errors to watch for: Waiting until the arm is fully extended to begin defending — fight the grip and positioning early, before isolation / Relying on strength to resist the extension — technical defence (stacking, hitchhiker, grip fighting) is sustainable;… / Reaching with the free hand across your body — this exposes the second arm to attacks / Pulling the arm straight back against the hips — the opponent's hip bridge is stronger than your pull; use angles ins….

What are other names for the Armlock Defence?

The Armlock Defence is also known as Ude Kansetsu-waza Difensu, Arm Lock Escape, Joint Lock Defence, Anti-Armbar.

armlock defence armbar stacking hitchhiker grip fighting grappling