Harai Goshi
Harai Goshi — sweeping hip throw; full hip insertion with outer thigh/hip sweep.
Adapted from InGrappling, Harai Goshi. System Games did not invent this curriculum.
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is the sweeping hip throw — a full hip insertion throw where the attacker’s sweeping leg contacts the outside of the opponent’s near thigh or hip and drives backward and downward, rotating the opponent over the attacker’s inserted hip. Like Uchi Mata, Harai Goshi requires a complete 180-degree pivot to insert the hip in front of the opponent. The differentiation is where the sweeping leg makes contact: Uchi Mata reaps the inner thigh upward; Harai Goshi sweeps the outer thigh or hip backward-and-down.
This mechanical distinction means the two throws are set up from similar clinch positions and chain naturally with each other as alternatives — the attacker who finds the inner thigh reap blocked can sweep the outer thigh, and vice versa. In practice, high-level practitioners develop Harai Goshi and Uchi Mata together as parts of a single hip insertion system rather than as separate throws.
The distinction is the leg targeting and sweep direction:
Uchi Mata: Inner thigh contact; reaping motion is upward — the attacking leg drives the opponent’s inner thigh toward the ceiling.
: Outer thigh or hip contact; sweeping motion is backward-and-down — the attacking leg sweeps behind the opponent’s near leg, contacting the outside of the thigh or the hip, and drives back.
Both use full hip insertion and upper body rotation. Both require the pivot and the back-to-chest contact. The difference is which surface the sweeping leg contacts and the direction of the leg force. This distinction matters for defensive purposes: the Uchi Mata defence (widening stance and lowering hips) makes the inner thigh less accessible but may increase the outer thigh exposure that Harai Goshi targets. See: Uchi Mata.
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."