Pendulum Sweep

What This Is

The pendulum sweep traps one of the passer’s arms against the bottom player’s chest, uses the lower body as a pendulum to generate rotational force, and tips the passer over the trapped arm side. It is the second foundational sweep of closed guard, working in tight combination with the hip bump sweep to create a two-way threat that addresses different passer postures.

The mechanical logic is precise: by trapping the passer’s arm, the bottom player removes that arm as a posting option on the sweep side. The bottom player then opens the guard on the same side as the trapped arm, drops that leg toward the mat, and drives the opposite leg powerfully upward — the pendulum motion. The swinging leg provides the rotational force; the trapped arm ensures the passer cannot post to stop the fall.

In no-gi, the arm trap relies on body-to-body contact rather than collar or sleeve control. The bottom player hugs the passer’s arm against their own chest, with the control coming from the bottom player’s elbow pressing the passer’s arm tight. This distinction matters — no-gi arm trapping is an active physical commitment, not a grip.

The pendulum and hip bump are structurally complementary. The hip bump works when the passer is upright and their weight is forward; the pendulum works when the passer’s posture is broken and they are leaning over the bottom player. Each sweep addresses the defensive posture that counters the other, making them natural combination partners.

The Invariable in Action

The pendulum sweep is designed around the elimination of the passer’s posting arm. By trapping the arm against the chest before the swing begins, the bottom player has already removed the primary defence. When the pendulum drives, the passer has no available post on the trapped side and falls. The arm trap is not preparation for the sweep — it is half the sweep. Without it, the passer posts and stops the rotation.

The pendulum motion is entirely dependent on hip mobility and the freedom to move the legs. A bottom player who is flat on their back with locked hips cannot generate the swing that drives the rotation. Before the pendulum fires, the bottom player must have their hips free and mobile — they will often need to shrimp slightly to create the hip angle that makes the leg swing possible. The guard opens, the hips angle toward the swing side, and only then does the leg drive.

The pendulum requires the passer’s weight to be loaded toward the trapped arm side — over the bottom player rather than behind them. A passer who is sitting back or posturing away has removed the weight that the pendulum uses. The setup (posture break, arm trap) creates the load by pulling the passer’s broken posture forward and over. Without this forward load, the pendulum swings but the passer does not move.

In no-gi the arm trap is a connection problem. There is no fabric to grab — the bottom player must create and maintain physical connection between their chest and the passer’s arm using body weight and elbow pressure. A loose arm trap allows the passer to extract the arm and post. Every rep should include a conscious check: is the arm pinned to the chest? Is the elbow locking it there? Connection precedes the swing.

Setup and Entry

From Closed Guard with Broken Posture

The primary entry is from a position where the passer’s posture has already been broken — where the passer is leaning forward over the bottom player rather than sitting upright. This can be created by pulling down with the legs, by pulling down on the head or neck (in no-gi, a hand behind the head), or by capitalising on the passer’s own forward pressure.

With the posture broken, the passer’s near arm will often be posting on the mat or pressing against the bottom player. The bottom player traps this arm: reach across with the arm on the same side as the target arm, thread it under and around the passer’s arm so the passer’s arm is pinched between the bottom player’s arm and chest. The elbow drives in to lock the trap. This is the arm-hook.

From Hip Bump to Pendulum — The Combination

The most important pendulum entry in practice is the combination: hip bump attempt forces a passer post → the post arm is trapped → pendulum fires. The sequence is:

1. Sit up for the hip bump; passer posts a hand to defend.
2. Wrap the posted arm with the arm-hook — trap it against the chest.
3. Lie back to the mat, taking the trapped arm with you.
4. Open the guard on the trapped-arm side and execute the pendulum.

The passer who posts to stop the hip bump has given the bottom player the arm they need for the pendulum. The two sweeps are not alternatives — they are a sequence.

The Hook Behind the Knee

Simultaneously with trapping the arm, the bottom player inserts the instep of the foot on the trapped-arm side behind the passer’s knee. This hook prevents the passer from stepping back to widen their base — a common defence against the pendulum. The hook and arm trap work together to close both defensive options simultaneously.

Execution

With the arm trap secured and the hook behind the passer’s knee established:

1. Open the guard — release the leg lock.
2. Drop the hooked leg (same side as the trap) toward the mat, creating hip angle.
3. Drive the free leg powerfully upward and over — this is the pendulum. The leg swings up, not pushes forward.
4. The pendulum’s rotational force, combined with the trapped arm and the hook behind the knee, rotates the passer over the trapped-arm side.
5. Follow to mount: maintain the arm trap and come up with the passer as they fall.

The direction of the swing is upward and over, not outward. Practitioners who push the leg to the side rather than swinging it overhead will find the rotation insufficient and the passer able to base. The leg arc should travel toward the ceiling and continue over.

Common Errors — and Why They Fail

Drilling Notes

Ability Level Guidance

Related Pages