A straight arm lock from the bottom player’s established triangle entanglement.

Joint Lock Hyperextension Targets Elbow 50% success

Safety

Armbar from Triangle Control targets the Elbow. Primary risk: Elbow hyperextension with collateral ligament sprain or tear. Tap early; release immediately on the tap. Full safety guide ↓

Armbar from Triangle Control is a distinct submission state: the bottom player retains the triangle entanglement while changing the active threat to the arm. Retain the triangle entanglement while controlling the wrist and supporting the elbow; distinguish this from releasing the triangle to enter a conventional armbar. The original triangle choke remains a possible follow-up if the arm defense makes it available. The defender must protect the attacked arm while continuing to address the entanglement. The finish ends the exchange; establishing this arm attack does not itself imply a tap.

Starting Position: Triangle Control · From: Triangle Control (Bottom)

Outcomes

ResultPositionProbability
Successgame-over50%
FailureTriangle Control35%
CounterClosed Guard15%

Attacker vs Defender

 AttackerDefender
FocusExecute and finishEscape and survive
Key PrinciplesRetain the triangle entanglement while controlling the wrist…Recognize the change from neck attack to arm attack…
Options6 execution steps3 defensive options

Playing as Attacker

→ Full Attacker Guide

Key Principles

  • Retain the triangle entanglement while controlling the wrist and supporting the elbow; distinguish this from releasing the triangle to enter a conventional armbar.

  • Keep the opponent’s posture controlled while changing the arm grip.

  • Choose the arm attack that matches the available joint alignment.

  • Maintain control before applying finishing pressure.

  • Release immediately at a tap; the arm attack and choke must both be released.

Execution Steps

  • Maintain the entanglement: Keep control of the opponent’s posture as you change your attacking grip…

  • Identify the available arm position: Confirm that the arm position supports a straight arm with elbow extension attack…

  • Secure the wrist and elbow: Retain the triangle entanglement while controlling the wrist and supporting the elbow; distinguish t…

  • Address the defensive grip: If the opponent connects their hands, preserve control and address the connection before adding pres…

  • Apply controlled finishing pressure: Increase pressure progressively only while the joint alignment and control remain established…

  • Release or follow the defense: Release immediately on a tap. If the opponent successfully protects the arm, reassess the triangle c…

Common Mistakes

  • Abandoning posture control

    • Consequence: The opponent can disrupt the entanglement
    • Correction: Maintain the triangle while changing grips.
  • Forcing the wrong arm alignment

    • Consequence: The intended joint lock is unavailable
    • Correction: Switch to an attack matching the available arm position.
  • Pulling with the arms alone

    • Consequence: Control and alignment deteriorate
    • Correction: Use coordinated control of the wrist, elbow, and entanglement.

Playing as Defender

→ Full Defender Guide

Key Principles

  • Recognize the change from neck attack to arm attack.

  • Protect the attacked joint before attempting positional recovery.

  • Keep the neck protected while defending the arm.

  • Recover posture only when the joint is protected.

  • Tap immediately if you cannot defend safely.

Recognition Cues

  • The attacker redirects hand control to the wrist and elbow.

  • The attacker aligns the arm for straight arm with elbow extension.

  • The leg entanglement remains in place during the arm attack.

Escape Paths

  • Protect the attacked arm, then recover posture and clear the leg entanglement.

  • Extract the arm during a safe grip opening while continuing to defend the neck.

From Which Positions?

Safety Guide

Injury Risks:

InjurySeverityRecovery Time
Elbow hyperextension with collateral ligament sprain or tearHighVaries with injury severity and treatment; a clinician must assess an injury.
Ulnar collateral ligament ruptureCRITICALVaries with injury severity and treatment; a clinician must assess an injury.
Radial head subluxation or fracture from explosive resistance against locked extensionHighVaries with injury severity and treatment; a clinician must assess an injury.

Application Speed: Apply pressure slowly and progressively with a qualified instructor supervising practice. Never jerk or force the joint; release immediately at any tap, request to stop, or sign of distress.

Tap Signals:

  • Any hand or foot tap
  • A verbal tap or request to stop
  • A cry of pain, distress, or loss of responsiveness; stop immediately

Release Protocol:

  1. Immediately remove pressure from the arm and neck at any tap or sign of distress.
  2. Release the arm grip and open the triangle entanglement without forcing the partner’s limb.
  3. Stop the exchange and check on the partner before resuming practice.

Training Restrictions:

  • Practice finishing mechanics under qualified supervision with a cooperative partner and minimal pressure.
  • Tell the instructor and partner about prior arm, shoulder, or neck injuries before practice.
  • Stop immediately if control is lost, pain occurs, or either partner wants to stop.