Inside Trip
The inside trip hooks the opponent's near leg from inside with the practitioner's near leg and trips or sweeps it outward, while upper body pressure…
Adapted from InGrappling, Inside Trip. System Games did not invent this curriculum.
Manage injuries →Position map Connects to 3 positions across 2 relationshipsOpen in the map →123←Enters from
The inside trip is a clinch takedown in which the practitioner hooks their near leg behind or around the opponent’s near leg from the inside — placing the trip leg between or inside the opponent’s legs — and uses the hook to trip the opponent’s leg outward, backward, or across, while simultaneously driving the upper body in the trip direction. The combined upper body drive and leg trip sweeps the opponent off their base.
The inside trip does not require a full leg lift or a traditional wrestling shot — the trip leg provides the base removal while the upper body drive provides the tipping force. The trip leg can hook behind the knee, behind the calf, or contact the inside of the ankle; the common element is that the tripping leg approaches from inside the opponent’s stance, not from the outside.
The inside trip is present in wrestling as a counter to single leg attempts, in judo as ko-uchi-gari and related techniques, and in Muay Thai as a sweeping trip from the clinch. In submission grappling, it is one of the most practical clinch takedowns because it requires no level change and can be applied directly from the standing clinch tie-up.
INV-13Invariant "Destabilisation precedes control. An opponent who retains structural balance can generate defensive force regardless of the position they are in."
Why it works hereThe inside trip destabilises by attacking two supports simultaneously — the leg hook removes the near foot from its base while the upper-body drive pushes the centre of mass in the trip direction. Either force alone fails: an unsupported drive lets the opponent step the leg; an unsupported leg sweep lets them re-plant. The simultaneity is what denies any defensive recovery.
See full invariant page → INV-ST01Invariant "Destabilising the opponent requires controlling the secondary leg — the leg that is not the primary base. Moving the secondary leg removes the opponent's ability to rebalance."
Why it works hereThe upper-body drive shifts weight onto the opponent's far leg, making the near leg the secondary leg — the one no longer carrying load. The trip leg hooks behind the near leg and sweeps it before the opponent can transfer weight back. Once the secondary leg is gone, there is no leg available to step into the displacement, and the throw completes.