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RIRVana
iOS + Android · any phone · no wearable · timed on device

Every rep timed.Reps in reserve, estimated.

Side-on capture of a back squat descent, with the hip, knee and ankle tracked mid-rep.
SET 03 · BACK SQUATReview
Rep5/5Est RIR2 (1–3)
Demonstration setWhat the camera reads
conf medium
Concentric speed per rep · °/s
Velocity loss21%Best of reps 1–2 vs mean of the last 2
Est. RIR21–3
Next set310lbs × 5
Why
Concentric velocity dropped 21%: clear fatigue, a couple of reps left. Prescribed 2 RIR; the reading landed on it, so the load holds.

Point your phone at the rack. RIRVana times every rep, reads the slowdown, and writes your next set from what actually happened, not from what you guessed on the way to the water fountain.

Follow the same demonstration set from reading to recommendation.

Static example · reduced motion

Measured

11.10 s21.15 s31.20 s41.30 s51.50 s

The camera times the concentric of every rep. Solid, full-contrast numbers are things it saw.

Estimated

2 RIR

Range 1–3 · medium confidence

0123456

Velocity loss maps to a reps-in-reserve range with a stated confidence. Purple numbers are things it inferred.

Decided

This set: 310 lbs × 5

310 lbs × 5

Next set: hold the load.

The estimate meets the 2 RIR target.

When the reading says there was room, the next set gets more. When it says you were over, the load holds. One line of why, every time.

A block, autoregulated

Load follows the reading.

Nine weeks of back squat in the demonstration block. The jump is taken only when the estimated effort said there was room, and it waits out the deload. Week four of each wave holds the load and backs the effort off.

Full block, every set
Top set · lbs · squat · 9 wkDemonstration block · not customer data
Added to top set+40lbs
Sets on target78%
Median gap1.0RIR
Who this is for

Lifters who already train close to failure.

The reading earns its keep in the last three reps. If your sets end at 4 RIR, a logger is fine. If they end at a grind and you still write 2 RIR in the notes, this is the instrument you were missing.

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