The best workout plan for muscle building isn't a secret combination of exercises. It comes down to four levers that show up again and again in the research: enough volume, sets taken close enough to failure, progression written down in numbers, and a weekly layout that doesn't overload any single session. This plan puts exactly that into practice – upper/lower, four workouts a week, twelve weeks, ready to take with you. Plus the research behind every decision, including the points where the popular rules no longer hold up.
Key Takeaways
- Volume is the main lever: 10–16 hard sets per muscle group per week. More keeps working, but with sharply diminishing returns.
- Frequency is overrated: With weekly volume equated, the independent effect of training frequency on muscle growth is compatible with zero. What matters is how many sets you pack into one session – beyond roughly eleven sets per session, each additional set barely pays off.
- Proximity to failure is what counts: 0–2 reps in reserve. Going to absolute failure adds no benefit, but it costs you recovery.
- Load is secondary: Anywhere from 6 to 15 reps works practically equally well, as long as the set goes close to failure.
- Tempo, rest periods and exercise order: far less relevant than the internet claims.
Contents
The Plan: Upper/Lower, 4 Workouts, 12 Weeks
Four training days: two upper-body and two lower-body sessions. The classic schedule is Monday, Tuesday, Thursday, Friday. Any other layout with at least one rest day between two identical sessions works just as well.
The reason for four days is practical, not mystical: with four sessions, you can spread the weekly volume so that no workout runs longer than 70 minutes and no muscle group takes 16 sets in a row. Why exactly that matters is covered further down in the section on frequency.
Workout 1 – Upper A
| Exercise | Sets × Reps | RIR | Rest |
|---|---|---|---|
| Incline dumbbell press | 3 × 6–8 | 2 | 2 min |
| Barbell row | 3 × 8–10 | 2 | 2 min |
| Dips or machine chest press | 3 × 8–10 | 1 | 2 min |
| Close-grip lat pulldown, neutral grip | 3 × 8–10 | 1 | 2 min |
| Cable lateral raise | 3 × 12–15 | 0–1 | 90 s |
| Overhead rope triceps extension | 3 × 10–12 | 0–1 | 90 s |
| Incline dumbbell curl | 3 × 10–12 | 0–1 | 90 s |
Workout 2 – Lower A, Knee-Dominant
| Exercise | Sets × Reps | RIR | Rest |
|---|---|---|---|
| Squat or hack squat | 3 × 6–8 | 2 | 3 min |
| Romanian deadlift | 3 × 8–10 | 2 | 2 min |
| Leg press | 3 × 10–12 | 1 | 2 min |
| Seated leg curl | 3 × 10–12 | 0–1 | 90 s |
| Standing calf raise | 4 × 8–12 | 0–1 | 90 s |
| Cable crunch | 3 × 10–15 | 1 | 90 s |
Workout 3 – Upper B
| Exercise | Sets × Reps | RIR | Rest |
|---|---|---|---|
| Pull-up or wide-grip lat pulldown | 3 × 6–10 | 2 | 2 min |
| Dumbbell shoulder press | 3 × 8–10 | 2 | 2 min |
| Close-grip seated cable row | 3 × 10–12 | 1 | 2 min |
| Low-to-high cable fly | 3 × 12–15 | 0–1 | 90 s |
| Face pull or reverse fly | 3 × 15–20 | 0–1 | 90 s |
| Cable lateral raise | 3 × 12–15 | 0–1 | 90 s |
| Hammer curl | 2 × 10–12 | 0–1 | 90 s |
Workout 4 – Lower B, Hip-Dominant
| Exercise | Sets × Reps | RIR | Rest |
|---|---|---|---|
| Bulgarian split squat | 3 × 8–10 | 2 | 2 min |
| Hip thrust | 3 × 10–12 | 1 | 2 min |
| Lying leg curl | 3 × 10–12 | 0–1 | 90 s |
| Leg extension | 3 × 12–15 | 0–1 | 90 s |
| Seated calf raise | 4 × 10–15 | 0–1 | 90 s |
| Hanging leg raise | 3 × 8–12 | 1 | 90 s |
Warm-up: five minutes of general warm-up, then two to three warm-up sets with increasing load on the first exercise. Warm-up sets don't count toward your set volume.
The Four Rules That Make the Plan Work
The exercise list is the interchangeable part. These four rules are not – they're the difference between a plan that works and a list you grind through for three weeks.
Rule 1: Volume Ramps Up, It Doesn't Creep
Week 1 deliberately starts low: around 10 hard sets per muscle group. After that, you add one set per week for the two muscle groups you want to prioritize, until you reach 14–16 by week 5. Week 1 has to feel too easy. That's not a design flaw, it's the reason you're still standing in week 10.
Rule 2: RIR Comes From the Table, Not From Feel
RIR stands for reps in reserve – the reps you could still have done at the end of the set. 2 RIR means two more would have been possible. Compound lifts stay at 2 RIR, because that's where technique breaks down first. Isolation exercises go to 0–1 RIR. Over the course of the block, you move one step closer: in weeks 1–2, one RIR more than the table says; from week 4 on, the values in the table.
Rule 3: Double Progression With Fixed Jumps
Once you hit the top of the rep range in all sets of an exercise at the prescribed RIR, increase the load next time: 2.5 kg for upper body, 5 kg for lower body. Then drop back to the bottom of the range and work your way up again. No switching exercises out of boredom, no intensity techniques, no tinkering.
Rule 4: Deload in Weeks 6 and 12
Same exercises, same load, half the sets, 3–4 RIR. Don't take the week off, and don't just play around with light weights – the load stays on so your movement quality holds up; only the volume is cut in half.
To be honest: deloads are less well supported than their reputation suggests. One controlled study found that a one-week training break in the middle of a nine-week program brought no benefit for muscle growth and even led to drawbacks in lower-body strength. That's why this plan uses the reduced-volume version instead of a break – as a tool against accumulated fatigue and motivation slumps, not as a growth accelerator.
Volume: The Strongest Lever, With a Clear Ceiling
The most comprehensive analysis on the topic pooled 67 studies with 2,058 participants in meta-regressions. The result is clear in its direction and just as clear in how it flattens out: more weekly sets mean more muscle growth, but each additional set delivers less than the one before. In the range of eleven to 18 weekly sets, it already takes about eight and a half additional sets for a measurable gain; between 19 and 29 sets, it takes about eleven.
The relationship between weekly volume and muscle growth flattens out – the curve keeps rising, but the price of each gain rises faster.
In practice: 10–16 sets per muscle group per week is the window with the best return on effort. Below that, you're leaving gains on the table. Above it, you pay with time, fatigue and injury risk for very little extra growth.
Frequency: The Rule That's Being Overturned
This is where most workout plans online are out of date. The common rule says: train every muscle group at least twice a week, or you're wasting growth. The latest analysis paints a different picture. Once weekly volume is equated, the independent effect of frequency on muscle growth is compatible with zero. For strength gains, on the other hand, there is a consistent effect.
What counts instead is volume per session. A separate meta-regression from the same research group pinpointed the threshold beyond which additional sets within one session no longer provide a noticeable benefit: about eleven sets per muscle group per session.
In practice: Training each muscle twice a week in this plan isn't an end in itself. It's the tool for spreading 14–16 weekly sets across two sessions instead of cramming them into one, where the later sets go to waste. If your schedule only lets you train a muscle once a week, you lose far less than the internet claims – as long as the volume is right and the session doesn't get out of hand.
Stimulus: Proximity to Failure Beats Weight
How Close to Failure
Muscle growth improves the closer to failure a set ends. The drop-off becomes clear when sets are stopped more than four to five reps short of failure. At the same time, head-to-head comparisons show that training to absolute muscle failure offers no measurable advantage over 1–2 RIR for building muscle – while causing more fatigue and feeling worse both during and after the session.
In practice: 0–2 RIR is your working window. Never go closer than 2 RIR on compound lifts, because that's where technique suffers first and fatigue costs the most. Isolation exercises can go all the way to 0 RIR. If you grind every set to failure, you're buying fatigue without extra growth – and that's exactly the most common reason people quit after eight weeks.
How Heavy
There is no hypertrophy zone. Similar muscle growth can be achieved across a wide range of loads, starting at about 30 percent of your one-rep max, regardless of age and training experience. Moderate loads are still the most efficient choice: light loads require a lot of reps and are unpleasant to grind through, while heavy loads need more sets for the same effect.
In practice: 6–15 reps covers almost everything. Heavier on compound lifts, lighter on isolation – not because physiology demands it, but because 15 reps of squats at 1 RIR are a miserable experience and sets of three on lateral raises are useless.
“Weight doesn't build the muscle. Your distance from failure does.”
– Gym Generation
Exercise Selection, Tempo and Rest
Range of Motion and Lengthened Partials
This is where things have shifted over the past two years. Partial reps in the stretched position made the rounds in fitness media as a supposedly superior method. The latest study in trained individuals found similar adaptations between these partials and full range of motion – not better ones. What holds up: training at long muscle lengths looks favorable in several studies, and full range of motion includes the stretched position anyway.
In practice: Full range of motion with deliberate control in the stretched position. Choose exercises that load that position heavily – overhead triceps extensions instead of pushdowns, incline curls instead of preacher curls, seated instead of lying leg curls. You don't need partial reps as a separate method.
Exercise Variation
Constantly switching things up does nothing for you. Systematic variation can slightly favor regional adaptations, while random, frequent switching tends to hurt your gains. The reason is simple: you can't track progression if you're doing something different every week.
In practice: Keep your exercises for twelve weeks. Variation happens between blocks, not within them.
Tempo
The latest analysis of 14 studies that manipulated tempo in isolation found only a trivial difference between faster and slower reps. Results are similar across a range of about 0.5 to 8 seconds per rep. Only extremely slow reps lasting more than ten seconds perform worse.
In practice: Control the eccentric without counting seconds. Move through the concentric briskly, but without momentum. If you count out a four-second lowering phase, you've got a habit, not an edge.
Rest Between Sets
Rest periods longer than 60 seconds offer a small advantage over shorter ones – probably because short rest forces you to drop the load more on the next set. Beyond 90 seconds, no additional difference can be detected.
In practice: 90 seconds for isolation, two minutes for compound lifts, three minutes for heavy squats. That last one is a performance decision, not a growth decision.
Exercise Order
Whether compound lifts come before or after isolation exercises makes no measurable difference to muscle growth. The only thing that matters: whatever comes last gets done with less in the tank.
In practice: Put what matters most to you first. If your shoulders are a weak point, don't save lateral raises for last. The rest is convention.
If You Don't Have Four Days
Three Days
Then skip upper/lower and train full body three times a week – otherwise one half of your body only gets one session. Structure per session: one squat or leg press variation, one hip hinge, one push, one pull, one shoulder or arm exercise, three sets each. The focus rotates across the three days. All four rules apply unchanged.
Five to Six Days
Push, pull, legs, cycled through twice on a rolling basis. Same exercises as the main plan, just arranged differently. Important: weekly volume stays at 14–16 sets per muscle group. More days doesn't mean more volume, it means less volume per session. If you ramp up to 25 sets per muscle on six days, you land right in the zone with the worst ratio of gains to fatigue.
Tracking: Progression Doesn't Work Without It
Double progression needs numbers. You have to know what you moved last week, or you're guessing – and guessing almost always means the load stays the same for weeks.
| Exercise | Set 1 | Set 2 | Set 3 | RIR reached |
|---|---|---|---|---|
On top of that, log the working weight of the six main lifts once a week: incline press, barbell row, pull-up or lat pulldown, shoulder press, squat, Romanian deadlift. If those six numbers go up over twelve weeks, the plan is working. If they stall, check sleep and calories first, then volume.
The Most Common Mistakes
Volume Creep
Sets keep getting added, but never taken away. After eight weeks, you're at 25 sets and wondering why you're so exhausted.
Every Set to Failure
Brings no extra growth compared to 1–2 RIR, but costs recovery, technique and motivation.
No Training Log
No numbers, no progression. If you estimate, you'll lift the same weight for months and call it a plateau.
Switching Plans Every Four Weeks
A plan shows its results after twelve weeks, not four. If you keep switching, all you collect is fresh starts.
Compound Lifts Last
Whatever comes last gets done with your worst performance. If squats come after four isolation exercises, you're no longer training your legs, you're training whatever strength you have left.
Workout Plan FAQ
How many sets per muscle group per week to build muscle?
10 to 16 hard sets per muscle group per week for most lifters. More volume keeps working, but with sharply diminishing returns: in the range of 19 to 29 weekly sets, it takes about eleven additional sets for a measurable gain.
Is a 3-day split worse than upper/lower?
Not inherently. A 3-day split run on a rolling basis, hitting each muscle group about one and a half times a week, is just as effective. Only the classic version that trains each muscle group once a week falls short – not because of the frequency itself, but because the entire weekly volume has to be crammed into one session.
Do I have to train to muscle failure?
No. Sets with 1 to 2 reps in reserve produce muscle growth comparable to sets taken to failure, with less fatigue. What matters is not stopping too far from failure: stopping more than four to five reps short noticeably costs you results.
What rep range is best for building muscle?
6 to 15 reps covers practically everything. Similar muscle growth is achievable across a wide range of loads, as long as the sets go close to failure. Moderate loads are the most time-efficient.
How long should I rest between sets?
At least 60 seconds. Beyond 90 seconds, there's no further measurable benefit for growth. On heavy compound lifts, two to three minutes make sense so your performance doesn't drop off on the next set.
Are lengthened partials better than full range of motion?
Based on current data in trained individuals, no – the adaptations are similar. Training at long muscle lengths still makes sense, but full range of motion covers that. Partial reps as a separate method are unnecessary.
How fast should I do my reps?
Lower under control, push or pull briskly. Faster and slower tempos show only a trivial difference in muscle growth. Only extremely slow reps lasting more than ten seconds perform worse.
Should I change exercises regularly?
No. Frequent, random switching can actually hurt your gains, because you can no longer track progression. Keep your exercises for twelve weeks and only vary them between blocks.
When do I need a deload week?
It's built in for week 6 and week 12, with volume cut in half instead of a full break. Move it up if your performance drops in two consecutive sessions and your motivation is gone at the same time. A single bad day is not a signal.
How long does a workout take?
60 to 70 minutes including warm-up. If it takes you much longer, you're resting too long or have too many sets in the plan.
How long does it take to see results?
Measurable strength gains within the first four to six weeks, visible changes after about twelve weeks with the right nutrition. If you switch after four weeks because nothing happened, you'll never find out whether a plan works.
Can I combine the plan with cardio?
Yes. Two easy sessions a week won't interfere with muscle growth. Intense interval training on leg day or the day before costs you performance and belongs on upper-body days or rest days.
What do I do after the twelve weeks?
Run the same plan again, using the loads you reached as your new starting point. A plan doesn't get worse because you know it. It gets worse when you stop adding weight.
What Actually Makes a Difference in Training
Briefly, because gear isn't the lever: on Romanian deadlifts and heavy rows, your grip often gives out before your back does. That's the only problem lifting straps solve – and they solve it completely. For squats and Bulgarian split squats, you need pants that move with you into deep positions without digging in.
Pulling
Lifting Straps
When your grip gives out before your back, you lose sets you've already earned.
ViewLeg Day
Gym Pants
Deep squats need a cut that moves with you. Anything else costs you range of motion.
ViewLimits of This Plan
It's optimized for muscle building, not maximal strength. If you're chasing a 200 kg squat, you need sets of three and five and a different structure.
It's designed for lifters with four days available. Advanced lifters with several years of training will eventually need to specialize – fewer muscle groups at once, longer blocks, targeted priorities.
And the research is still open on several points. The upper limit for volume is unclear, the role of frequency is currently being reassessed, and the debate about range of motion continues. Wherever this article gives a number, it's the number with the best return on effort based on current evidence – not the final word.
Why We're Writing This
Since 2013, Gym Generation has been building gear for men who see training as self-discipline – with more than 60,000 customers across Switzerland, Germany and Austria. We're not sports scientists and don't pretend to be. What you're reading here is the current research, cleanly summarized and combined with the structure we've trained with ourselves for years. Where the data contradicts our own experience, the article follows the data – not our opinion. Every study cited is listed with its source below.
Sources
- Pelland JC, Remmert JF, Robinson ZP, Hinson SR, Zourdos MC. The Resistance Training Dose Response: Meta-Regressions Exploring the Effects of Weekly Volume and Frequency on Muscle Hypertrophy and Strength Gains. Sports Medicine 2026;56(2):481–505. doi:10.1007/s40279-025-02344-w
- Remmert JF, Pelland JC, Robinson ZP, Hinson SR, Zourdos MC. Is There Too Much of a Good Thing? Meta-Regressions of the Effect of Per-Session Volume on Hypertrophy and Strength. SportRxiv 2025 (Preprint).
- Refalo MC, Helms ER, Trexler ET, Hamilton DL, Fyfe JJ. Influence of Resistance Training Proximity-to-Failure on Skeletal Muscle Hypertrophy: A Systematic Review with Meta-analysis. Sports Medicine 2023;53(3):649–665. doi:10.1007/s40279-022-01784-y
- Wolf M, Androulakis Korakakis P, Piñero A, et al. Lengthened partial repetitions elicit similar muscular adaptations as full range of motion repetitions during resistance training in trained individuals. PeerJ 2025;13:e18904. doi:10.7717/peerj.18904
- Schoenfeld BJ, Grgic J, Van Every DW, Plotkin DL. Loading Recommendations for Muscle Strength, Hypertrophy, and Local Endurance: A Re-Examination of the Repetition Continuum. Sports 2021;9(2):32. doi:10.3390/sports9020032
- Give it a rest: a systematic review with Bayesian meta-analysis on the effect of inter-set rest interval duration on muscle hypertrophy. Frontiers in Sports and Active Living 2024. doi:10.3389/fspor.2024.1429789
- Gaining more from doing less? The effects of a one-week deload period during supervised resistance training on muscular adaptations. PeerJ 2024;12:e16777. doi:10.7717/peerj.16777
- Piñero A, Hermann T, Zamanzadeh A, et al. How slow should you go? A systematic review with meta-analysis of the effect of resistance training repetition tempo on muscle hypertrophy. Journal of Strength and Conditioning Research 2025;39(12):1331–1339.
- Kassiano W, Nunes JP, Costa B, Ribeiro AS, Schoenfeld BJ, Cyrino ES. Does Varying Resistance Exercises Promote Superior Muscle Hypertrophy and Strength Gains? A Systematic Review. Journal of Strength and Conditioning Research 2022.
This article summarizes the current training literature and does not replace medical or sports medicine advice. If you have pre-existing conditions or pain, or are coming back from an injury, check with a doctor before you start training. Gym Generation is an apparel and gear brand, not a medical provider.