A Split Is a Resource Allocation Plan
Rep Loader's first canon essay: a workout split should allocate growth resources toward the muscles and outcomes the lifter actually cares about.
Rep Loader Lab
The search for the next optimal rep/load.
Rep Loader Lab is where I work through the training logic behind Rep Loader: priority-based hypertrophy, productive doses, stimulus streams, failure standards, scheduling rules, and the search for the next optimal rep/load.
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New to Rep Loader?
Start with the short orientation, then move through the Canon in order.
Read the orientationCanon Preview
Canon Preview
Equal Volume Only Makes Sense for Equal Goals
A Rep Loader canon essay on why equal training volume only makes sense when the lifter's goals are actually equal.
Every Rep Is a Stimulus
A Rep Loader canon essay defining the stimulus-stream worldview behind set-level prescription, logging, and adaptation.
The Productive Dose
A Rep Loader canon essay defining productive dose: enough hard work to matter, restrained enough to repeat, and specific enough to serve the goal.
Latest Essays
Latest Essays
The N=1 Hypertrophy Problem
A Rep Loader canon essay on individual hypertrophy evidence, noisy training logs, and why adaptive programming must connect population priors to a lifter's own stimulus stream.
Failure Is a Contract
A Rep Loader canon essay on volitional, technical, and momentary failure, and why rep standards must be explicit before set results can become useful evidence.
Back After Biceps?
A Rep Loader canon essay on interference, supporting-muscle fatigue, and why training order should protect the next priority dose.
The Stimulus Ledger
A Rep Loader canon essay defining the stimulus ledger: the idea that sets should be priced by what they deliver and what they cost.
Join the Lab
The app is live. The engine is evolving.
These essays explain the reasoning behind the build. The deterministic engine decides workouts, targets, recovery, and durable state; the coaching layer explains those decisions in human language.