Kneebar: Leg Lock Breakdown

Kneebar Mechanics and Entry

To apply a kneebar, you must position your body perpendicular to the opponent's leg so that their knee rests against your chest or hip. Your arms wrap around their leg — one arm hooks over the shin and the other hooks under the thigh — and clasp together. Your hips or chest act as the fulcrum that drives the knee into hyperextension when you extend your hips forward. Common entries include trapping the leg as they step over during a guard pass, or from a leg entanglement when transitioning between positions. The kneebar is most accessible when you can get perpendicular to their leg with control of both above and below the knee.

Finishing the Kneebar

With their leg secured across your body, press your hips forward while pulling their leg toward your chest. This creates a hyperextension force on the knee joint — the same mechanism as the armbar but on the leg. Point their toes in a consistent direction to control rotation of the joint. The finish should be a smooth hip drive forward rather than a violent jerk.

• Position their knee against your hip or chest as the fulcrum point
• Clasp hands around the leg above and below the knee
• Drive hips forward smoothly — control the extension to prevent injury

Kneebar from Guard Passing

The kneebar appears frequently during guard passing when your opponent's leg becomes isolated. As you pass the spider guard or de la riva, their leg often gets trapped in a position that naturally sets up the kneebar. Recognizing the kneebar opportunity during guard passing makes you a dual-threat passer — your opponent must defend both the pass and the submission simultaneously. The kneebar is restricted in gi competition to brown and black belt, but in no-gi, rules vary by organization. Always know the ruleset before competing.