There's a rider at every spot whose upper body is working twice as hard as everyone else's — arms swinging huge arcs, shoulders whipping into every turn — while the board underneath does a modest little shuffle. From behind, the top half and the bottom half look like two different riders.
That's the arms-only pump, and the diagnosis is precise: the chain is disconnected at the ribs. Everything above the disconnect moves plenty. Almost none of it reaches the wheels.
Arms are the flywheel, not the motor
Get one thing straight first, because it saves this fault from being over-corrected: big arm swing is not the enemy. In a healthy pump the arms are the flywheel — they store and release momentum each cycle, smooth the rhythm, and help the shoulders lead the rotation down through the body. Quiet, pinned arms are their own problem. The chain works best when the arms are generous.
The issue is arm swing that travels nowhere. In a connected pump, the shoulders open into the arc, the hips follow a beat later, the legs compress and drive, and the board accelerates — one wave moving through the whole body, top to bottom. In the arms-only pump the wave launches from the shoulders and dies at the ribcage. The hips stay parked, the legs hold one angle, and all that upper-body energy just rotates the rider on top of a board that was never asked to move.
The read on video is a mismatch: arm travel near the top of the range while hip travel sits near the bottom. Effort up high, silence down low. CoachVision surfaces exactly this pairing from a phone clip — arm swing, hip travel, and a connection score that grades whether the motion travels through the body as one wave or as separate segments — so you can see the disconnect instead of guessing at it.
Worth saying warmly: this pattern usually belongs to riders who've watched a lot of good surfing. They've correctly absorbed that style starts at the shoulders — the top of the chain arrived before the middle did. The fix isn't to quiet the arms. It's to give them something to connect to.
The drill — Layer-Up Pump Progression
Rebuild the chain from the ground, one segment at a time.
Rolling slowly on flat, protected ground, start with ankles only: rock the board rail to rail with heel and toe pressure and nothing else. Arms quiet, knees quiet. Just the bottom link.
When that feels automatic — not before — add the knees: small compressions and extensions timed with the ankle pressure. Then add the hips: let your center of mass start traveling with the arcs. Only then, last, invite the shoulders and arms back in, swinging with the rhythm the lower body has already established.
Two runs per layer, every session. The rule that makes it work: a layer only gets added once the one below feels automatic. If adding the shoulders makes the hips go quiet again, drop back a layer for two more runs.
What you're doing is re-soldering the chain at the exact joint where it was broken — and this time, when your arms swing big, the swing will pour down through your hips and out through the wheels. Same energy you've always had. Finally arriving at the board.
Run the progression for a week, then film a down-the-line clip and watch the connection score climb. The board's been waiting to hear from you.