What is a Kimura in MMA/UFC?

David Miller
3 min readJun 6, 2023

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The Kimura, named after the legendary Japanese judoka Masahiko Kimura, is a highly effective submission technique commonly used in mixed martial arts (MMA) and the Ultimate Fighting Championship (UFC). This grappling technique targets the shoulder joint and can be executed from various positions, providing fighters with a powerful tool to immobilize and submit their opponents.

The Kimura primarily involves manipulating the shoulder joint through a combination of joint locks and leverage. The goal is to hyperextend the opponent’s shoulder, forcing them to submit or risk injury. The technique can be applied from both top and bottom positions, making it versatile for both offensive and defensive purposes.

To execute the Kimura, the practitioner typically starts by controlling one of the opponent’s arms. From a dominant position, such as side control or mount, the fighter secures control over the arm by grabbing the wrist or forearm and applying downward pressure. This initial grip ensures that the opponent’s arm is effectively trapped, limiting their mobility and defensive options.

With control established, the fighter transitions to isolate the opponent’s arm and move into a position that allows for maximum leverage. They might shift their body weight, adjust their grip, or reposition themselves to gain a mechanical advantage. The goal is to create torque and leverage on the opponent’s shoulder joint while minimizing their ability to escape.

As the practitioner continues to manipulate the opponent’s arm, they apply pressure on the shoulder joint, progressively increasing the torque. This can be achieved by using their own body weight, rotating their hips, or pulling the opponent’s arm in specific directions. The combined forces create a tremendous amount of stress on the shoulder, resulting in intense discomfort and potential injury.

The Kimura can be executed in various situations, such as during ground and pound exchanges, while transitioning between positions, or as a counter to an opponent’s attack. It is particularly effective when the opponent’s arm is extended or isolated, providing the practitioner with greater control and leverage.

While the Kimura is primarily a submission technique, it also serves as a powerful tool for positional control and dominance. By threatening the opponent with the submission, the practitioner can force them to react defensively, potentially creating openings for strikes or transitions to more advantageous positions.

The Kimura has been widely utilized in MMA and the UFC by some of the sport’s most successful fighters. Its effectiveness lies in its versatility, allowing practitioners to seamlessly transition from striking to grappling and capitalize on openings during a fight. It is a technique that requires both technical proficiency and strategic awareness, as the timing and execution must be precise to maximize its effectiveness.

In conclusion, the Kimura is a highly effective submission technique used in MMA and the UFC. Named after Masahiko Kimura, it targets the opponent’s shoulder joint, applying torque and leverage to force them into submission or risk injury. With its versatility and effectiveness from various positions, the Kimura has become a staple in the repertoire of many successful fighters, contributing to their victories inside the octagon.

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