SAFETY: Kimura from Crucifix targets the Shoulder joint, rotator cuff, and shoulder capsule. Risk: Rotator cuff tear (supraspinatus, infraspinatus, teres minor, subscapularis). Release immediately upon tap.
The Kimura from Crucifix represents one of the highest-percentage shoulder lock finishes in Brazilian Jiu-Jitsu, exploiting the bilateral arm control that defines the crucifix position. Unlike standard Kimura attacks where the defender can clasp their hands, grip their belt, or frame against the attacker’s body, the crucifix eliminates these defensive options entirely. One arm is trapped in the attacker’s leg triangle while the targeted arm is isolated by the hands, creating a scenario where the figure-four grip encounters minimal resistance.
This submission serves as a natural secondary attack when the opponent successfully defends choke attempts by tucking the chin. The attacker transitions from neck attacks to the exposed arm without releasing positional control, creating a seamless offensive chain where defending one threat directly exposes another. The mechanical advantage is significant: the attacker needs only to secure the figure-four grip on the wrist and apply controlled rotation behind the opponent’s back.
Strategically, the Kimura from Crucifix rewards patient practitioners who establish thorough positional control before attacking. The submission’s high success rate stems from the structural impossibility of the standard two-handed Kimura defense when both arms are isolated. Once the figure-four grip is secured from crucifix, tap rates exceed those of Kimura attempts from any other position due to the complete elimination of the defender’s grip-fighting capability.
Category: Joint Lock Type: Shoulder Lock Target Area: Shoulder joint, rotator cuff, and shoulder capsule Starting Position: Crucifix From Position: Crucifix (Top) Success Rate: 62%
Safety Guide
Injury Risks:
| Injury | Severity | Recovery Time |
|---|---|---|
| Rotator cuff tear (supraspinatus, infraspinatus, teres minor, subscapularis) | High | 3-9 months with potential surgery requirement |
| Shoulder capsule damage and dislocation | CRITICAL | 6-12 months, may require surgical repair |
| Labral tear (glenoid labrum) | High | 4-8 months, often requires arthroscopic surgery |
| Bicep tendon strain or rupture | Medium | 6-12 weeks for strain, 3-6 months for rupture |
Application Speed: SLOW and progressive - 3-5 seconds minimum in training, allowing partner time to recognize danger and tap
Tap Signals:
- Verbal tap (saying ‘tap’ or making any verbal distress sound)
- Physical hand tap (multiple taps with free hand)
- Physical foot tap (multiple taps with either foot)
- Any distress signal including screaming or unusual sounds
Release Protocol:
- Immediately stop all rotational pressure the instant tap is felt or heard
- Return the arm toward neutral position by slowly externally rotating back to starting position
- Release the figure-four grip completely
- Allow partner to self-assess shoulder mobility before continuing
- Never release suddenly or allow arm to spring back forcefully
Training Restrictions:
- Never spike or jerk the submission - rotation must be smooth and controlled
- Never use competition speed or surprise attacks in training
- Always ensure partner has at least one hand free to tap
- Do not apply while partner is in awkward body position that prevents tapping
- Never combine with weight pressure that restricts breathing while finishing
- Respect immediate taps without testing partner’s pain tolerance
Outcomes
| Result | Position | Probability |
|---|---|---|
| Success | game-over | 62% |
| Failure | Crucifix | 25% |
| Counter | Closed Guard | 13% |
Attacker vs Defender
| Attacker | Defender | |
|---|---|---|
| Focus | Execute and finish | Escape and survive |
| Key Principles | Maintain crucifix leg triangle control throughout the entire… | Recognize Kimura setup immediately—the transition from choke… |
| Options | 7 execution steps | 4 defensive options |
Playing as Attacker
Key Principles
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Maintain crucifix leg triangle control throughout the entire Kimura attack—the trapped arm is your primary positional anchor that makes this finish viable
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Secure the figure-four grip on the free arm before committing to rotation—premature rotation without proper grip depth leads to grip slippage and escape
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Pin the opponent’s elbow tight to your torso before applying rotational pressure to maximize mechanical advantage and eliminate the hitchhiker escape
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Apply rotation slowly and progressively behind the opponent’s back, treating the shoulder joint as a hinge requiring controlled angular displacement
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Use your body weight and hip position to reinforce the rotational force rather than relying on arm strength alone for the finish
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Transition between choke threats and Kimura seamlessly—when the opponent defends the neck, the arm becomes exposed, creating a forced-choice dilemma
Execution Steps
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Consolidate crucifix control: Ensure your leg triangle is locked tight around the opponent’s near arm with constant inward squeeze…
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Isolate the target arm: Identify the free arm controlled by your hands. Transition from a basic wrist grip to controlling th…
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Establish the figure-four grip: Thread your hand under the opponent’s wrist and forearm, reaching across to grip your own wrist in t…
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Pin the elbow to your body: Clamp the opponent’s elbow tight against your ribcage using your arms and body pressure. This elimin…
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Begin controlled rotation: Start rotating the opponent’s wrist behind their back using your figure-four grip while keeping the …
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Apply progressive finishing pressure: Continue the rotation arc behind the opponent’s back while simultaneously lifting their elbow slight…
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Complete finish and release safely: If the opponent taps, immediately stop all rotational pressure and return the arm to neutral positio…
Common Mistakes
-
Releasing leg triangle control to improve Kimura grip position
- Consequence: Opponent frees the trapped arm and immediately uses both hands to defend the Kimura, dramatically reducing submission success rate and potentially escaping the crucifix entirely
- Correction: Maintain leg triangle squeeze throughout the entire attack. Adjust your figure-four grip without compromising positional control—the trapped arm is what makes this Kimura so effective
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Applying Kimura rotation before securing a deep figure-four grip
- Consequence: Grip slips under rotational force, allowing opponent to straighten the arm or pull it free, wasting the positional advantage and telegraphing the attack
- Correction: Take the extra second to set a deep figure-four with your palm controlling the back of the wrist before initiating any rotation. A shallow grip will fail under pressure
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Using only arm strength to rotate instead of incorporating body mechanics
- Consequence: Forearm fatigue reduces finishing power rapidly, and strong opponents can resist pure arm-strength rotation even from the advantageous crucifix position
- Correction: Drive the rotation with hip movement and body positioning, using your torso as a lever. The arms maintain the grip while the body generates the overwhelming force needed to finish
Playing as Defender
Key Principles
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Recognize Kimura setup immediately—the transition from choke defense to arm attack is the critical window where early reaction prevents the figure-four grip
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Keep the target arm bent and close to your body to deny the figure-four grip entry angle that requires space under your forearm
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Prioritize escaping the crucifix position over defending the Kimura in isolation—solving the root problem eliminates all threats simultaneously
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Use hip movement and body rotation to disrupt the attacker’s perpendicular alignment and reduce their mechanical advantage for rotation
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If the figure-four grip is secured, fight the rotation immediately—do not wait until the arm is behind your back to begin resisting
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Maintain awareness of your trapped arm and work to free it whenever the attacker shifts focus to the Kimura, as the leg triangle may loosen during grip transitions
Recognition Cues
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Attacker shifts hand control from your wrist to threading their hand under your forearm in preparation for the figure-four grip configuration
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Attacker abandons choke attempts and redirects both hands toward controlling your free arm rather than threatening your neck
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Attacker adjusts hip position to create better angle for arm rotation, typically moving slightly toward your hips rather than staying near your head
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Feeling the attacker’s palm wrapping around the back of your wrist or forearm in the distinctive double-wrist Kimura grip
Escape Paths
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Free the trapped arm from the leg triangle through hip movement and angle changes, then recover to turtle or back control position
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Explosive bridge and hip escape to create space and pull the Kimura-targeted arm free before recovering to closed guard
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Roll toward the attacker to disrupt their perpendicular alignment and convert the position to a scramble where both arms can be recovered
From Which Positions?
Match Outcome
Successful execution of Kimura from Crucifix leads to → Game Over
All submissions in BJJ ultimately converge to the same terminal state: the match ends when your opponent taps.