SAFETY: Reverse Kimura targets the Shoulder joint and rotator cuff. Risk: Rotator cuff tear. Release immediately upon tap.

Position Variants

From PositionSuccess RateTop Injury RiskKey Difference
Standing Position52%Rotator cuff tear

The Reverse Kimura is a shoulder lock variation that applies the same rotational mechanics as the traditional Kimura but with a reversed grip configuration. Instead of the standard figure-four grip with your hand grabbing your own wrist behind the opponent’s arm, the Reverse Kimura involves gripping your wrist in front of the opponent’s arm, creating a different leverage angle and control pattern. This submission is particularly effective from standing positions, front headlocks, and scrambles where traditional Kimura grips may not be accessible. The Reverse Kimura shares the same target area and injury mechanism as the standard Kimura—the shoulder joint and rotator cuff—but the reversed grip often provides superior control in dynamic situations and allows for unique transitions to back takes and other submissions. The technique is highly valued in wrestling-based grappling and no-gi contexts where grip fighting and hand fighting create opportunities for unconventional entries. Understanding both the standard and reverse Kimura variations creates a more complete shoulder lock system that adapts to different gripping scenarios.

Category: Joint Lock Type: Shoulder Lock Target Area: Shoulder joint and rotator cuff Success Rate: 52% (average across variants)

Safety Guide

Injury Risks:

InjurySeverityRecovery Time
Rotator cuff tearHigh3-6 months with surgery potential
Shoulder dislocationHigh6-12 weeks minimum
AC joint separationMedium4-8 weeks
Labrum tearCRITICAL6-12 months with surgery likely

Application Speed: SLOW and progressive - 4-6 seconds minimum with constant communication

Tap Signals:

  • Verbal tap (most important for standing submissions)
  • Physical hand tap on any available surface
  • Physical tap with free hand on partner
  • Any distress vocalization
  • Tapping feet if hands unavailable

Release Protocol:

  1. Immediately stop all rotational pressure
  2. Release grip completely and step back
  3. Allow partner to externally rotate shoulder naturally
  4. Do not force arm back to neutral position
  5. Check with partner before continuing training

Training Restrictions:

  • Never apply quickly or explosively in training
  • Never continue rotation past 90 degrees in practice
  • Always maintain verbal communication during application
  • Never spike or drop weight during standing applications
  • Always allow partner clear tap access with free hand
  • Stop immediately at first sign of discomfort
  • Never practice on injured shoulders

Variation Details

Reverse Kimura from Front Headlock: When controlling opponent in turtle or front headlock position, isolate the far arm and establish reverse Kimura grip. Use your head pressure and body weight to prevent forward movement while rotating the shoulder. This setup is extremely common in wrestling-based grappling. (When to use: When opponent turtles or you establish front headlock control during scrambles)

Reverse Kimura to Back Take Transition: As opponent defends by turning into the lock to relieve shoulder pressure, maintain your grip and follow their rotation to take the back. The reverse Kimura naturally creates back exposure during defensive movements. Use the grip to control their rotation and establish hooks as you transition. (When to use: When opponent successfully defends the submission by rotating toward you)

Standing Reverse Kimura from Overhook: From standing clinch with overhook control, transition to reverse Kimura grip by threading your arm through and gripping your wrist. The overhook naturally sets up the arm position for reverse grip entry. Control their posture with your free hand on their head or collar. (When to use: During standing exchanges when you establish overhook control in clinch)

Reverse Kimura from Crucifix Position: From crucifix control on the mat, one arm is already trapped. Apply reverse Kimura grip to the trapped arm while your legs control their body. This provides extremely secure control and high finishing percentage due to their limited defensive options. (When to use: When you achieve crucifix position from back control or scrambles)

From Which Positions?

Match Outcome

Successful execution of Reverse Kimura leads to → Game Over

All submissions in BJJ ultimately converge to the same terminal state: the match ends when your opponent taps.