Build Muscle
Readiness Menu — Flexible Upper/Lower
Eight weeks where the week is a menu, not a calendar. Four sessions — heavy and volume, upper and lower — and three yes/no questions each morning decide which one you get. Under six hours of sleep removes the heavy option outright. For lifters whose weeks refuse to be identical.
- Category
- Build Muscle
- Length
- 8 weeks
- Frequency
- 4 days/week
- Est. session
- 50–70 min
Last updated: June 2026
About this program
Four sessions sit on the menu every week: Heavy Lower, Heavy Upper, Volume Lower and Volume Upper. Before each one you answer three yes/no questions — did you get at least six hours of sleep, is systemic soreness manageable, do you want to train hard today. Two or three yes and the heavy option is open; zero or one and you take the volume option; under six hours of sleep removes the heavy option regardless. No score, no number, no device.
For intermediate and advanced lifters whose readiness genuinely varies — shift workers, parents of small children, demanding jobs — who abandon fixed four-day calendars the first week reality intervenes. NOT for anyone whose constraint is session length rather than recovery: that lane belongs to Hold the Line. Skip it if you have never run a structured hypertrophy block; run Upper/Lower Workhorse first. Equipment is hard: barbell, rack, bench, dumbbells. "Home" here means a home gym with a rack, not dumbbells in a spare room.
The structure is flexible non-linear periodization — an established academic method in which the session is chosen by the lifter's current state rather than assigned by the calendar. Heavy and volume sessions differ in exercise selection, not only load: heavy days are bilateral barbell work, volume days are supported and unilateral picks that still produce stimulus on a mediocre day. Volume targets follow our Volume Management framework and the fatigue rules come from Fatigue & Recovery. Sibling program Set by Set periodizes by ramping weekly set count; this one by session-readiness selection.
Expect two calibration weeks, three accumulation weeks in which an optional fifth arm-and-delt session joins the menu, two weeks where the heavy days gain a heavier top set, then a week 8 that unloads before a single re-test on one heavy lower and one heavy upper movement.
Build Muscle · 8 weeks · 4 days/week
Start to finish
- Frequency
- 4 days/week
- Per session
- 50–70 min
Who it's for
Four ways to tell at a glance whether this block belongs in your week.
- 01The goal
- Eight weeks where the week is a menu, not a calendar.
- 02The commitment
- A steady four-plus days a week
- 03The arc
- 8 weeks, 4 phases that build and reset
- 04The coaching
- Your coach drives the plan forward — it reads each session and moves you up the moment the work gets easier, so you keep progressing
How it progresses
8 weeks across 4 phases — your coach watches the effort in your logged sets and moves the weight up the moment a load starts getting easier, so you keep climbing instead of waiting on the calendar.
- Weeks 1–260Intensity
Phase 1 · Standard
Calibration
Two weeks to set honest reference loads on all four menu items and to learn which answers to the three questions actually predicted a good session for you.
- Weeks 3–562Intensity
Phase 2 · Accumulation
Accumulation
Volume climbs one movement at a time and an optional fifth session for arms and side delts joins the menu — the first session anyone drops when the week gets hard.
- Weeks 6–782Intensity
Phase 3 · Intensification
Intensification
The heavy menu items gain a genuinely heavy top set of three to five reps followed by a rep-matched back-off. Volume sessions hold what they built.
- Weeks 8–830Intensity
Phase 4 · Deload
Unload + Re-test
Every menu item runs at roughly 55% of week-7 volume, then a single rep -max re-test on one heavy lower and one heavy upper movement sets the next block's numbers.
Sessions in this program
The individual workouts this program schedules through the week — open any session for its full exercise list, sets, and coaching notes.
Why your coach builds it this way
Four sessions sit on the menu every week: Heavy Lower, Heavy Upper, Volume Lower and Volume Upper. Before each one you answer three yes/no questions — did you get at least six hours of sleep, is systemic soreness manageable, do you want to train hard today. Two or three yes and the heavy option is open; zero or one and you take the volume option; under six hours of sleep removes the heavy option regardless. No score, no number, no device.
For intermediate and advanced lifters whose readiness genuinely varies — shift workers, parents of small children, demanding jobs — who abandon fixed four-day calendars the first week reality intervenes. NOT for anyone whose constraint is session length rather than recovery: that lane belongs to Hold the Line. Skip it if you have never run a structured hypertrophy block; run Upper/Lower Workhorse first. Equipment is hard: barbell, rack, bench, dumbbells. "Home" here means a home gym with a rack, not dumbbells in a spare room.
The structure is flexible non-linear periodization — an established academic method in which the session is chosen by the lifter's current state rather than assigned by the calendar. Heavy and volume sessions differ in exercise selection, not only load: heavy days are bilateral barbell work, volume days are supported and unilateral picks that still produce stimulus on a mediocre day. Volume targets follow our Volume Management framework and the fatigue rules come from Fatigue & Recovery. Sibling program Set by Set periodizes by ramping weekly set count; this one by session-readiness selection.
Expect two calibration weeks, three accumulation weeks in which an optional fifth arm-and-delt session joins the menu, two weeks where the heavy days gain a heavier top set, then a week 8 that unloads before a single re-test on one heavy lower and one heavy upper movement.
The principles behind it
Common questions
The facts most people check before they commit a block to it.
Keep moving forward.
The program sets the structure. Your coach drives it forward — reading your numbers and pushing the weight up as you get stronger, so the plan stays yours and you keep progressing.
iOS · Works offline
Aleks · Coach
Proposal — add weight