Evidence review · from the 250-topic plan
Strength-training minimums: the two-day floor that protects what the scale can't see
Rapid weight loss spends from two accounts — fat and lean mass — and the muscle file's two-part defense is protein plus resistance. This file is the resistance half, sized as a floor, not a lifestyle: two full-body sessions a week, 30–45 minutes each, built on five movement patterns (squat, hinge, push, pull, carry), progressed gradually, using whatever loads you'll actually touch — a barbell, dumbbells, resistance bands, or bodyweight all count when effort and progression are real. What doesn't substitute: steps alone (walking is wonderful and is not resistance). Scheduling honesty: park sessions away from your dose-day window during titration. Clearance honesty: cardiac history, joint issues, or long deconditioning earn a clinician conversation first — especially for SELECT-population readers. The floor, the patterns, the progressions, and the excuses pre-handled — below. This is general-fitness education, not individual prescription.
Why a floor, not a program
The evidence logic is short: during major weight loss, a meaningful fraction of pounds lost can come from lean mass; resistance training plus adequate protein is the intervention pair that shifts the ratio toward fat; and lean mass is the account funding your metabolism, your plateau resistance, your body composition at the finish, and your everyday capability. The floor framing exists because adherence beats optimization: two sessions done for a year outperform five sessions done for three weeks, and every element below is chosen to make “done for a year” the likely outcome. More is fine; the floor is the contract.
The two-day floor, specified
Frequency: two non-consecutive days (the recovery gap is where adaptation happens). Duration: 30–45 minutes including warm-up. Structure: one exercise per pattern — squat (goblet squat, sit-to-stand progressions), hinge (dumbbell deadlift, hip bridge), push (push-up at any incline, dumbbell press), pull (band or dumbbell row), carry (farmer's walk with whatever's heavy) — two-to-three sets each, in a rep range where the last two reps feel honest. Progression: the only non-negotiable — add a rep, a small load, or a harder variation most weeks; progression is the difference between training and moving. Protein pairing: the session's silent partner per the floor's other half — the two interventions multiply, not add.
Home, gym, or band — equipment agnosticism
The muscle doesn't audit your receipts. Bodyweight covers every pattern with incline and tempo as the progression dials. A pair of adjustable dumbbells is the apartment-sized complete gym. Resistance bands travel (see the kit) and load every pattern for the price of one gym month. The gym adds load headroom and, for many, the useful psychology of a dedicated place. The selection rule mirrors the anchor-day rule from the rituals file: choose the option with the fewest excuses attached to it, because the floor's enemy isn't difficulty — it's friction.
Scheduling around the therapy
Three practical alignments. Respect the dose-day window: during titration, park sessions 48-plus hours from injection day if your GI window is real — a rough-stomach workout skipped becomes a pattern; a workout scheduled around the window becomes a habit. Fuel the session: suppressed appetite plus training demands make the pre/post protein bracket the day's most important eating decision — the rebuilt cart's yogurt-and-powder lane exists for exactly this. Read fatigue honestly: early-therapy energy dips are common and usually titration-linked; scale the session (fewer sets, same patterns) rather than skipping, and treat persistent unusual fatigue as a message-your-clinician data point, not a willpower failure.
Who talks to a clinician first
The floor is gentle by design, and some charts still earn a pre-flight conversation: cardiac history (the SELECT population — established cardiovascular disease — should align exercise onset with their cardiologist's guidance); uncontrolled blood pressure; significant joint disease or recent surgery (patterns modify beautifully — a clinician or physical therapist picks the variations); long deconditioning (start at half the floor and earn the rest); and anyone whose diabetes regimen includes hypoglycemia-capable drugs (exercise moves glucose — timing and snacks matter). The conversation is one visit, often covered as ordinary care per the specialist file, and it converts the floor from generic advice into your plan. Therapy worth defending ↗
FAQ
How much strength training do I need on a GLP-1?
The floor: two full-body sessions weekly, 30–45 minutes, covering squat/hinge/push/pull/carry with gradual progression — paired with the 1.2–1.6 g/kg protein target.
Does walking count as strength training?
No — walking is excellent cardio and daily-movement medicine, but lean-mass defense requires resistance with progression; bands and bodyweight qualify, steps alone don't.
When should I schedule workouts around my injection day?
During titration, keep sessions 48+ hours from dose day if your GI window is real; scale sessions on low-energy days rather than skipping.
Who should check with a doctor before starting?
Cardiac history, uncontrolled blood pressure, significant joint issues, long deconditioning, or hypoglycemia-capable diabetes regimens — one visit converts the floor into your plan.
Sources
- Lean-mass preservation rationale and protein pairing — the muscle file's evidence base.
- General resistance-training guidelines (frequency, patterns, progression).
- Companion files: rituals, plateau audit, SELECT decoder, interactions.