North-South — Bottom
North-south bottom — opponent facing the feet, weight on the chest. Kimura threat is immediate. Primary escape: bridge and hip.
Adapted from InGrappling, North-South — Bottom. System Games did not invent this curriculum.
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North-south bottom is the position in which the opponent has transitioned from side control or mount to face toward the bottom player’s feet — chest pressing down on the bottom player’s chest and upper body, their hips and legs extended above the bottom player’s head. The bottom player faces the ceiling with the top player’s weight on the upper chest and cannot see the opponent.
North-south is psychologically demanding in a way that side control and mount are not. The inability to see the opponent removes visual feedback about weight shifts and attack setups. The weight on the chest restricts breathing more than side control typically does. The primary submission threats — north-south choke and kimura — arrive from angles the bottom player cannot see and from arm positions that feel natural but are vulnerable.
The position is less stable for the top player than mount or side control — the weight distribution makes it harder to maintain against an active bottom player — but the bottom player must know how to create the escape rather than simply resist. Passive resistance under north-south does not lead to escape; it leads to the kimura.
INV-G05Invariant "The bottom player's hips must remain mobile. A flattened bottom player cannot generate the movement needed to recover guard, sweep, or attack."
Why it works hereNorth-south escape requires the hips to travel away from the top player to open the gap the legs re-enter. Flat hips with the top player's weight on the upper chest cannot generate that travel — the bridge toward the top player's shoulder is what restores hip mobility, and only after that can the shrimp run. The order is structural: the side-bridge first, then the hip travel, then the legs return.
See full invariant page → North-south escape requires the hips to travel away from the top player — creating the gap that allows the bottom player to recover their legs into the space and rebuild guard. This is impossible if the hips remain flat on the mat. The bridge (toward the top player’s shoulder, not straight up) creates the initial hip movement; the subsequent shrimp away extends it. The hips must move before the feet can enter the gap.
INV-05Invariant "A frame is effective when it redirects force perpendicular to its source. A frame that directly opposes force will fail against sufficient force."