4-Day Workout Plan: The Complete 2026 Guide
Looking for a 4-day workout plan that actually works? This guide shows you the best 4-day split for hypertrophy and strength with examples and a free AI generator.
Why pick a 4-day split?
A 4-day workout plan is the gold standard for intermediate lifters. It lets you train each muscle group twice per week (the optimal hypertrophy frequency) while preserving 3 recovery days.
Optimal frequency
Schoenfeld's 2016 meta-analysis confirmed training each muscle twice weekly produces more hypertrophy than once. A 4-day split is the minimum to hit that target.
Adequate recovery
3 full rest days give your CNS and muscle tissue time to repair. Essential if you work, study or have a social life.
Manageable session volume
Unlike a 3-day full body plan, 4 days lets you split volume into shorter (60-75 min) but more focused sessions with higher per-muscle intensity.
Flexibility
Miss a day? Just shift the program by 24 hours. A 6-day split is much less forgiving — one skip creates a domino effect.
The 3 best 4-day workout splits
There's no universal 4-day split: the best one depends on your level, goal and training history. Here are the 3 most effective and science-backed options.
1. Upper/Lower
Mon Upper · Tue Lower · Thu Upper · Sat Lower
Pro
- Optimal 2x hypertrophy frequency
- Simple to program and remember
- Excellent recovery (3 days off)
- Works from late-beginner through intermediate
Contro
- ✗Upper sessions can exceed 75 minutes
- ✗Less volume per muscle than bro split
Best for: The number one choice for hypertrophy + strength. The best 4-day split for most people.
2. Push/Pull + Full Body + Weak Point
Mon Push · Tue Pull · Thu Full Body · Sat Weak Point
Pro
- Shorter, focused sessions (50-65 min)
- Emphasis on a weak muscle group
- Varied neural stimulus (strength, hypertrophy, power)
- Fun alternative to upper/lower
Contro
- ✗Full body day can be fatiguing
- ✗Volume programming is more complex
- ✗Less ideal for people who want simplicity
Best for: Ideal if you have an obvious weak point (legs, shoulders, back) you want to bring up without sacrificing frequency.
3. 4-Day Bro Split
Mon Chest + Tri · Tue Back + Bi · Thu Legs · Fri Shoulders + Core
Pro
- Very high per-muscle volume
- Highly focused, intense sessions
- Great pump management
- Classic bodybuilding approach
Contro
- ✗1x/week frequency (suboptimal for intermediates)
- ✗Missing one day = 10 days without stimulating that muscle
- ✗Best for advanced lifters with very high volumes
Best for: Works for those who need 20+ sets per muscle weekly and prefer very specific, long sessions.
Full Upper/Lower 4-day plan example
Ready-to-follow upper/lower plan for an intermediate with 1-3 years of experience. Fundamentals for strength and accessories for hypertrophy, 2x frequency per muscle. Rest: 2-4 min on compounds, 60-90 sec on isolation.
RIR = Reps In Reserve. RIR 2 = stop 2 reps short of technical failure.
Upper A (Monday) — Upper body strength
| Exercise | Sets | Reps | RIR |
|---|---|---|---|
| Barbell bench press | 4 | 6-8 | 2 |
| Pull-ups (or lat pulldown) | 4 | 6-10 | 2 |
| Standing military press | 3 | 8-10 | 2 |
| Barbell row | 3 | 8-10 | 2 |
| Dumbbell French press | 3 | 10-12 | 1 |
| EZ-bar curl | 3 | 10-12 | 1 |
Lower A (Tuesday) — Lower body strength
| Exercise | Sets | Reps | RIR |
|---|---|---|---|
| Back squat | 4 | 6-8 | 2 |
| Romanian deadlift | 3 | 8-10 | 2 |
| Leg press | 3 | 10-12 | 1 |
| Lying leg curl | 3 | 10-12 | 1 |
| Standing calf raise | 4 | 12-15 | 1 |
| Plank | 3 | 45-60 sec | - |
Upper B (Thursday) — Upper hypertrophy
| Exercise | Sets | Reps | RIR |
|---|---|---|---|
| Overhead press (or Arnold press) | 4 | 6-8 | 2 |
| T-bar row (or Pendlay row) | 4 | 6-10 | 2 |
| 30° incline dumbbell press | 3 | 8-10 | 1 |
| Close-grip lat pulldown | 3 | 8-10 | 1 |
| Dumbbell lateral raise | 3 | 12-15 | 0 |
| Hammer curl | 3 | 10-12 | 1 |
Lower B (Saturday) — Lower hypertrophy
| Exercise | Sets | Reps | RIR |
|---|---|---|---|
| Conventional deadlift | 4 | 5 | 2 |
| Front squat (or hack squat) | 3 | 8 | 2 |
| Dumbbell walking lunge | 3 | 10 per leg | 1 |
| Seated leg curl | 3 | 12 | 1 |
| Seated calf raise | 4 | 15 | 1 |
| Machine crunch | 3 | 15 | 1 |
Weekly volume: MEV, MAV, MRV
Volume is the single most important hypertrophy variable at equal intensity and nutrition. A 4-day split lets you handle intermediate-level volume without exceeding recovery. Weekly set ranges per muscle group:
| Muscle | MEV | MAV | MRV |
|---|---|---|---|
| Chest | 8-10 | 12-16 | 18-22 |
| Back | 10-12 | 14-18 | 20-25 |
| Side delts | 8 | 12-16 | 20 |
| Biceps | 6-8 | 10-14 | 16-20 |
| Triceps | 6-8 | 10-14 | 16-20 |
| Quads | 8-10 | 12-16 | 18-22 |
| Hamstrings | 6-8 | 10-14 | 14-18 |
| Calves | 8 | 12-16 | 20 |
MEV = Minimum Effective Volume. MAV = Maximum Adaptive Volume. MRV = Maximum Recoverable Volume. Source: Israetel, Renaissance Periodization.
Start at MEV, add 1-2 sets per week until you approach MAV, then deload and restart. Don't sit at MRV permanently — it's unsustainable.
How to progress on a 4-day plan
Even the best 4-day workout plan is useless without a progressive overload strategy. The 4 most effective methods for intermediates, in order of simplicity:
Double progression (2-for-2 rule)
When you hit all sets with 2 extra reps above target for 2 consecutive sessions, add 2.5-5 kg. Example: 4x8 @ 80 kg target → 4x10 @ 80 kg twice → move to 82.5 kg.
Double linear progression
First add reps (6 to 8) at the same weight; once you hit 8 reps, add weight and drop back to 6.
Undulating periodization (DUP)
Alternate heavy (5x5 @ RIR 2) and light (3x10 @ RIR 1) days on the same lift. Great to break plateaus.
RIR-based autoregulation
Instead of a fixed weight, hit a target RIR: use the load that lets you finish at RIR 2. Perfect for breaking plateaus.
The 5 most common 4-day plan mistakes
Too much volume, too fast
Motivated intermediates tend to start with 20+ sets per muscle. Result: burnout in 3-4 weeks. Start at MEV and build up.
Rest periods too short
90-second rest on a heavy squat wrecks your next set. Use 2-4 minutes on compounds without guilt.
Changing program every 4 weeks
Muscle confusion is a myth. Keep the same plan for 8-12 weeks to measure real progress.
Skipping deloads
Deload weeks are when adaptations consolidate. Every 4-6 weeks, cut volume by 40-50% for 7 days.
Not tracking weights
Without a log you can't measure progress. Use an app like Arvo to track every set and auto-suggest next targets.
Want a 4-day plan built around you?
Arvo's AI generator creates a custom 4-day plan in 30 seconds: pick your goal, split preference (upper/lower, PPL+FB, bro), equipment and level. The AI selects exercises, calibrates volume to your personal MEV/MAV, and suggests loads set-by-set.
- 4-day plan built on your specific parameters
- Upper/lower, PPL or bro split — your choice
- Volume calibrated to your level (MEV/MAV/MRV)
- Adaptive AI weight suggestions set-by-set
- Automatic deload when your data says so
- Free, no signup required
Explore Other Plans
Frequently Asked Questions
How long does it take to see results with a 4-day workout plan?
With a well-structured 4-day workout plan you'll notice strength gains within 3-4 weeks. Visible muscle growth takes 8-12 weeks of consistent training combined with a 200-300 kcal surplus and at least 7 hours of sleep. Progressive overload matters more than the specific split.
Is 4 days better than 3 or 5 days at the gym?
4 days is the best compromise for most intermediates: you can hit each muscle group twice per week (the optimal hypertrophy frequency according to Schoenfeld 2016) with 3 full recovery days. 3 days is better for beginners, 5-6 days suits advanced lifters with high recovery capacity.
Can I use a 4-day plan to lose weight?
Yes. A 4-day plan is great for a cut: keep lifting heavy to preserve muscle, slightly reduce total volume (10-15%), and add 2-3 low-intensity cardio sessions (30-45 min brisk walking) on rest days. Maintenance of strength in a calorie deficit is the priority.
4-day plan for mass or cutting: what changes?
The split stays almost identical. The real difference is nutrition (surplus vs deficit) and total volume. In a bulk you can push 18-22 sets per muscle group per week; in a cut stay at 12-16 to preserve recovery. Reps can go slightly higher on a cut (10-15 vs 6-10) to increase workout density.
Upper/Lower, PPL or Bro Split for 4 days?
Upper/Lower is the top choice for hypertrophy-focused intermediates: maximum frequency (2x/week per muscle) with adequate recovery. PPL + full body is a flexible alternative. 4-day Bro Split works best for advanced lifters needing very high per-muscle volume and 7 days of recovery per district.