The Kimura from Crucifix represents one of the highest-percentage shoulder lock attacks in Brazilian Jiu-Jitsu, capitalizing on the unique arm isolation that defines the crucifix position. When the opponent’s near arm is trapped in your leg configuration and you control their far arm, the Kimura becomes a natural finishing option that exploits the structural vulnerability created by bilateral arm control. The double wristlock grip—your hand on their wrist with your other hand gripping your own wrist—creates a powerful lever system that rotates the shoulder joint beyond its natural range of motion.
From a strategic standpoint, the Kimura from Crucifix serves as a secondary attack when the opponent effectively defends their neck against choke attempts. As they tuck their chin and commit their free arm to neck defense, they often expose the arm to Kimura attacks. This creates a powerful dilemma: defend the neck and risk the shoulder, or protect the arm and expose the neck. Advanced practitioners chain these attacks seamlessly, using one threat to set up the other.
The mechanics of executing the Kimura from Crucifix differ from standard Kimura positions because you’re attacking from behind rather than from a perpendicular angle. This requires specific adjustments in grip positioning and rotational force application. The crucifix position provides exceptional control throughout the submission attempt, making it difficult for the opponent to escape or create defensive angles even when they recognize the attack developing.
From Position: Crucifix (Top) Success Rate: 58%
Possible Outcomes
| Result | Position | Probability |
|---|---|---|
| Success | game-over | 65% |
| Failure | Crucifix | 25% |
| Counter | Back Control | 10% |
Attacker vs Defender
| Attacker | Defender | |
|---|---|---|
| Focus | Execute technique | Prevent or counter |
| Key Principles | Maintain crucifix control throughout the attack—the leg trap… | Prevent the figure-four grip from being established—once bot… |
| Options | 6 execution steps | 4 defensive options |
Playing as Attacker
Key Principles
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Maintain crucifix control throughout the attack—the leg trap on the near arm and positional pressure must remain intact
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Secure the double wristlock grip before releasing any positional control—grip security precedes attack commitment
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Apply rotational force by painting the opponent’s hand toward their hip in an arc, not by lifting straight up
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Keep the opponent’s elbow pinned tight to your body to maximize leverage and minimize their ability to straighten the arm
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Use your body rotation and hip movement to generate power rather than relying solely on arm strength
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Control the opponent’s head position with your chest and shoulder pressure to prevent them from creating escape angles
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Maintain constant pressure throughout—any slack allows the opponent to begin defensive movements
Execution Steps
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Secure wrist control: From crucifix top, ensure you have a solid grip on the opponent’s far wrist with your controlling ha…
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Thread the figure-four grip: While maintaining wrist control, thread your other arm under their upper arm from the outside, reach…
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Pin the elbow: Draw their elbow tight to your ribcage and body by squeezing your arms together and pulling toward y…
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Adjust hip position: Shift your hips slightly to create a perpendicular angle to their shoulder joint. This hip adjustmen…
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Apply rotational force: Begin rotating their arm by painting their hand in an arc toward their hip and then toward their bac…
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Finish the submission: Continue the rotational pressure until the opponent taps or you feel the shoulder reaching its mecha…
Common Mistakes
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Releasing leg control on the trapped arm to focus on the Kimura
- Consequence: Opponent frees their trapped arm and can now defend the Kimura with both hands or escape the crucifix entirely
- Correction: Maintain constant leg pressure throughout the Kimura attack—the crucifix control is what makes this submission high-percentage. Never sacrifice position for submission
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Allowing the elbow to float away from your body during the attack
- Consequence: Opponent can straighten their arm, defeating the submission mechanics and potentially creating an escape angle
- Correction: Keep their elbow pinned tightly against your ribs by squeezing your arms together and pulling toward your centerline throughout the entire attack
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Applying lifting force instead of rotational force
- Consequence: Inefficient mechanics that tire your arms quickly and give opponent time to defend or escape
- Correction: Focus on painting their hand in an arc toward their hip and back—the motion is circular rotation, not a vertical lift. Use body movement to generate power
Playing as Defender
Key Principles
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Prevent the figure-four grip from being established—once both wrists connect, defensive options decrease dramatically and the submission becomes very difficult to stop
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Keep the targeted arm bent with the elbow tight to your body and hand near your centerline, denying the opponent the wrist access needed to initiate the Kimura grip
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Grip your own clothing, belt, or opposite lapel to anchor the arm against rotational force, creating a static defense that buys time for positional escape
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Use rolling and hip movement toward the attacking side to reduce the rotational angle available to the opponent, making it mechanically harder to finish the shoulder lock
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Address the Kimura defense without completely abandoning neck protection—be aware that defending the arm may open your neck to choke attacks from the same position
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Prioritize freeing the trapped arm from the leg configuration as the long-term solution, since escaping the crucifix eliminates all crucifix-specific submission threats simultaneously
Recognition Cues
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Opponent releases wrist control with their hand position changing from simple grip to threading their arm under your upper arm—this threading motion is the clearest signal of Kimura grip setup
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You feel a forearm sliding against your tricep from the outside as the opponent works to establish the figure-four configuration, often accompanied by a shift in their upper body weight
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Opponent’s chest pressure shifts from behind your head toward your shoulder area as they angle their hips to create the perpendicular alignment needed for rotational force application
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The opponent abandons or reduces their choke threat to focus both hands on your arm—a sudden decrease in neck pressure paired with increased arm manipulation indicates Kimura intent
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You feel your elbow being drawn toward the opponent’s body through squeezing pressure, which removes slack from the system and signals they are preparing to apply rotational force
Defensive Options
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Straighten the arm explosively before the figure-four grip is secured, extending the elbow to deny the bent-arm configuration the Kimura requires - When: As soon as you feel the opponent threading their arm under yours but before they connect their grip—this is a narrow window that requires immediate recognition and response
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Grip your own belt, lapel, or waistband with the targeted hand, anchoring the arm against rotational force and creating a static barrier the opponent must break before finishing - When: When the opponent has already secured the figure-four grip and is beginning to apply rotational pressure—this is a survival defense that buys time rather than an escape
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Roll toward the attacking arm, turning your body in the direction the opponent is applying rotational force to relieve pressure on the shoulder joint - When: When the Kimura grip is locked and rotational pressure is being applied—rolling with the force reduces the effective angle of attack on your shoulder and may create scramble opportunities
Position Integration
The Kimura from Crucifix functions as a secondary attack option within the crucifix submission system, complementing the primary choke attacks. When opponents successfully defend their neck by tucking their chin and committing their free arm to throat protection, the Kimura becomes the natural follow-up. This creates the classic crucifix dilemma: defend the neck and expose the shoulder, or protect the arm and get choked. The Kimura also chains effectively with armbar attacks—if the opponent straightens their arm to defend the Kimura, they become vulnerable to armbar, and the Kimura grip provides excellent control for transitioning to armbar position. Understanding this attack integration transforms the crucifix from a single-threat position into a submission system where each defense opens another attack path.