Strength lab Rust → WebAssembly
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1Lift drilldown & forecast model
What-if simulator scenario
Rep-max table estimate
Best set under each formula
2Volume by muscle group
Weekly tonnage (lb)
Effective sets / week vs 10–20 guide
Rep-range mix
Training calendar
3PRs, stalls & load
PR timeline e1RM
Stall detector
OLS slope of log e1RM over the last 42 days (or last 5 sessions), t-test α = 0.10, Theil–Sen 90% CI.
Fitness · fatigue · form heuristic
4Is it getting smarter? Model accuracy
e1RM forecast backtest
Error vs. sessions of history
Mean absolute % error of each model, grouped by how many sessions it had seen. Falling lines = more data helps.