North-South Choke

What This Is

The north-south choke is a vascular choke applied from the north-south position — the attacking player faces the opponent’s feet, chest over the opponent’s head. The choking arm wraps around the neck so that the opponent’s head is closed into the attacker’s armpit: the armpit and chest close one side of the neck, and the biceps and forearm of the choking arm close the other. The free hand connects palm-to-palm with the choking hand, and the finish arrives from the body sinking low toward the opponent’s head.

The north-south choke is mechanically subtle. The finish is created by dropping the shoulders and hips — the body sinks low and drives in a straight line toward the opponent’s head while the arm structure holds its shape. The compression comes from body weight sinking, with minimal arm squeeze, and it builds gradually as the body settles. Understanding this distinction is what separates a functional north-south choke from an ineffective squeeze.

The inverted crucifix version is reached by rolling from the back crucifix and belongs to Crucifix North-South Choke, which is a separate instance. This page also arrives as a transition from the arm triangle angle walk that overshoots to north-south.

The Invariant in Action

The bilateral compression in the north-south choke is created by a single wrapped structure: the armpit and chest close one side of the neck, and the biceps and forearm close the other. The body is a compression surface, and the sink of the shoulders and hips is what delivers force through it. This is why the sink is the finish, with the arms holding shape rather than squeezing.

The body weight component of the north-south choke depends entirely on the head staying closed into the armpit with the chest heavy. If the attacking player sits up or lets the head slip out of the armpit, the sink cannot apply force to the neck. The connection must be maintained throughout the finish motion. This is also what makes the north-south choke position-dependent — it requires the attacker to be at a specific height above the opponent’s head.

The north-south position creates a pin as well as a choke opportunity. The chest-heavy connection and the head closed in the armpit prevent the opponent from rotating or posting to escape, and the near arm is trapped under the attacker’s chest. The north-south choke exploits this pinning quality — the opponent cannot move their head out of the compression path because their movement is already restricted by the pin.

The Grip

The north-south choke grip:

The choking arm: From north-south position, the choking arm wraps around the opponent’s neck so the head is closed into the attacker’s armpit. The biceps and forearm lie along one side of the neck; the armpit and chest close the other. The wrap must be deep enough that the head has no gap to slip through beside the attacker’s body.

The free hand: The free hand connects palm-to-palm with the choking hand — one palm up, one palm down is a common cue. The connection holds the wrap’s shape; it does not add a second compression arm.

The near arm: The opponent’s near arm is pinned by the attacker’s chest and body position. There is no thread under the opponent’s arm — the body pins it, which keeps both of the attacker’s arms free to close the wrap.

Chest position: The attacking player’s chest is heavy over the opponent’s head and upper body. The chest stays in contact throughout — the chest and armpit are one of the two compression surfaces, and the sink delivers weight through them.

The Armpit Closure

The armpit closure is the most technically specific element of the north-south choke and the element most often missing in unsuccessful attempts.

What the closure does: The choking arm’s wrap shuts the opponent’s head inside the attacker’s armpit, so the armpit and chest become a compression surface against one side of the neck while the biceps and forearm cover the other. With the head closed, both carotids are loaded by the same structure and the sink has something to press against. Without the closure, the head slips beside the attacker’s body and the choke degrades into an arm squeeze.

How to check it: The head should be fully enclosed — no gap between the attacker’s ribs and the opponent’s ear on the armpit side. If daylight exists beside the head, the wrap is shallow: re-wrap deeper before sinking, because weight applied to an open structure pushes the head out rather than compressing the neck.

The named failure mode: Squeezing with the arms instead of closing and sinking. An arm squeeze collapses the wrap onto the airway, producing airway-only pressure — uncomfortable, slow, and easy to endure. The closure plus the sink is what produces the vascular finish.

The Finish

The north-south choke finish is a body weight sink, with the arms holding shape:

The sink: With the head closed in the armpit and the palm-to-palm grip connected, the attacking player drops their shoulders and hips — the body sinks low and drives in a straight line toward the opponent’s head. The weight settles through the armpit and chest on one side and presses the neck into the biceps and forearm on the other.

Minimal arm squeeze: The arms maintain the wrap’s shape; the choke arrives from the body weight sinking, staying patient. Adding a hard arm squeeze usually loosens the structure and shifts the pressure onto the airway.

Why this works: The armpit and chest load one carotid, the biceps and forearm load the other, and the head cannot move away from either surface because it is enclosed. Bilateral carotid compression arrives from the sink alone.

Patience: The north-south choke famously takes time. The compression builds as the body settles — hold the closure, keep sinking, and let the weight accumulate. Rushing the finish is the most common reason the choke is abandoned when it was seconds from working.

Setup and Entry

From North-South Position

The direct entry. From the north-south pin, the choking arm wraps around the neck to close the head into the armpit, and the free hand connects palm-to-palm. The north-south position’s natural weight and chest contact set up the finish conditions immediately.

From Side Control (Angle Walk Overshoot)

When walking to the arm triangle finish angle, if the walk continues past 45 degrees toward north-south, the arm triangle transitions to a north-south choke opportunity. The arm triangle lock can convert — the arm wrapped around the neck and the chest pressure already approximate the north-south choke structure. Completing the walk to north-south, closing the head into the armpit, and adjusting to the palm-to-palm grip completes the conversion.

From the Back Crucifix — a separate instance

Rolling the body from a back crucifix so the head points toward the opponent’s legs reaches the same clamp from an inverted angle, and it is finished differently enough to be its own page: the closure comes from contracting the arm structure rather than from sinking bodyweight, because the sink is not available from alongside. See Crucifix North-South Choke.

From the Front Headlock (Walk to North-South)

From the front headlock ground control, walking the body past the opponent’s head toward north-south position while maintaining the head control can set up the north-south choke grip. The front headlock pressure walking provides the momentum for the north-south arrival.

Position Requirements

• North-South (Top) — Primary position. Chest heavy over the head, choking arm free to wrap and close the head into the armpit.
• Side Control (to north-south walk) — Via angle walk overshoot from arm triangle position.
• Back Crucifix — Via body inversion. Advanced entry.
• Front Headlock (Ground) — Via walking forward past the opponent’s head to north-south.

Defence and Escape

Priority 1 — Turn in before the wrap closes: As the choking arm begins to wrap the neck, the defender bridges and turns to face the attacker. This can prevent the head from being closed into the armpit and converts the position to a guard recovery or scramble.

Priority 2 — Prevent the chest connection: The body weight component of the north-south choke requires the chest heavy over the head. Creating distance by bridging or turning prevents the chest from connecting. This must happen early — before the closure and the sink begin.

Priority 3 — Deny the armpit closure: When the wrap starts, the defender must tuck their chin and turn their face toward the attacker’s body while working a hand inside the wrap. Keeping the head from being fully enclosed in the armpit denies the second compression surface. Chin tuck plus the inside frame is the specific defence against the closure.

Priority 4 — Tap as the sink builds: Once the head is closed and the body begins to sink, the compression builds steadily. Tap as it increases — waiting out a correctly closed north-south choke means waiting for unconsciousness, and the patient nature of the finish makes the endpoint predictable.

Common Errors

Drilling Notes

Ability Level Guidance

Ruleset Context

The north-south choke is unrestricted across all standard no-gi rulesets.

Also Known As

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