Locks

Locks are holds where the attacker's arms and/or legs entangle the opponent in such a way that they lock into position, making it difficult for the opponent to escape. Lock are used to to:

• Immobilize the opponent so he or she may no longer cause harm. Some examples are:
  • Kata-gatame. Shoulder hold
  • Kesa-gatame. Scarf hold
• Hyperextend or hyper rotate a joint to case pain to cause submission, or to damage or break the joint so may no longer be used. Some examples are:
  • Arm Bar. Arm lock that hyper extends the elbow
  • Kimura. Lock that hyper rotates the shoulder.
  • Americana. Lock applied to the shoulder. Similar to the kimura.
  • Omoplata. Shoulder lock applied with the legs. Knee Bar - Lock that hyper extends the knee.
  • Ankle Lock. Joint lock that hyperextends the ankle joint.
  • Heel Hook. Submission which hyperrotates the ankle joint.
  • Toe Hold. Joint lock that hyperrotates the ankle.
  • Can Opener. Submission which hyperextends the neck.
  • Crucifix Neck Crank. Submission hold which hyperextends the neck. Applied from the crucifix position.
  • Twister. Submission which hyperextends the neck. Popularized by Eddie Bravo.
  • Spine Crank. Joint lock which hyperextends or hyperrotates the spinal vertebrae.
    
• Compress a bone against muscle to case pain and cause submission or injury. Some examples are:
  • Achilles Lock. Hold that applies pressure to the Achilles tendon.
  • Bicep Slicer. Lock which puts pressure on the bicep.
  • Leg Slicer. Compression lock applied to the thigh muscle and/or calf.
• Restrict or stop breathing to cause unconsciousness or death. See chokes topic for more information.
• Restrict or stop blood flow through one or both cardioid arteries to cause unconsciousness or death. See strangles topic for more information.