Upper Lower vs PPL: Which Builds More Muscle?

Upper/lower is better for 4 days per week. PPL is better for 5-6 days per week. The best split depends on your schedule, not which is "optimal." Both hit each muscle twice per week — the frequency that builds the most muscle according to a 2016 meta-analysis. Upper/lower packs more muscles into fewer sessions. PPL spreads volume across more days with shorter workouts.

For an overview of all major splits, see our complete workout splits guide.

Upper/Lower Split: The Breakdown

Structure: 4 days per week

• Day 1: Upper Body A
• Day 2: Lower Body A
• Day 3: Rest
• Day 4: Upper Body B
• Day 5: Lower Body B
• Days 6-7: Rest

What happens each session:

• Upper days hit chest, back, shoulders, biceps, and triceps
• Lower days hit quads, hamstrings, glutes, and calves

Pros:

• Time-efficient (4 days vs 6)
• Excellent recovery between sessions
• Fits busy schedules perfectly
• Simple to program and follow

Cons:

• Upper days can run long (many muscle groups)
• Less exercise variety per muscle group
• May feel rushed if you want high volume

Push/Pull/Legs Split: The Breakdown

Structure: 6 days per week

• Day 1: Push (chest, shoulders, triceps)
• Day 2: Pull (back, biceps, rear delts)
• Day 3: Legs (quads, hamstrings, glutes, calves)
• Day 4: Push
• Day 5: Pull
• Day 6: Legs
• Day 7: Rest

What happens each session:

• Each day focuses on one movement pattern
• Muscles are grouped by how they work together

Pros:

• More volume per muscle group each session
• More exercise variety
• Focused sessions (fewer muscle groups per day)

Cons:

• Requires 6 gym days per week
• Higher recovery demand
• Easier to overtrain if nutrition/sleep aren't optimized

For the complete PPL program, see best push/pull/legs split.

Head-to-Head Comparison

The frequency is identical. The difference is how you distribute the work.

Scientific Research on Split Selection

Research consistently shows that training frequency matters more than the specific split you choose. A 2016 meta-analysis by Schoenfeld et al. found that training each muscle group twice weekly produced significantly greater hypertrophy compared to once weekly—a finding validated by strength researchers like Greg Nuckols and Eric Helms—but beyond twice per week, benefits diminish.

Hypertrophy research recommends hitting each muscle group at least twice per week for optimal growth. Both upper/lower and PPL accomplish this, but PPL gives you more volume per muscle per session — which matters if you're an intermediate or advanced lifter pushing close to your maximum recoverable volume (the most training you can do while still recovering).

Both upper/lower and PPL hit each muscle twice weekly. From a muscle growth perspective, they're equivalent when total volume is matched.

Key research findings:

• Frequency: 2x/week per muscle group is optimal for hypertrophy (Schoenfeld, 2016)
• Volume: 10-20 sets per muscle per week is the effective range (Wernbom, 2007)
• Recovery: 48-72 hours between training the same muscle group optimizes protein synthesis (MacDougall, 1995)

The barbell bench press responds similarly whether trained in an upper/lower or PPL structure. The same applies to squats, rows, and every other compound lift.

Research supports running a PPL split because it allows 5-6 training days with enough volume per muscle group. Evidence-based recommendations for beginners, though, suggest starting with an upper/lower or full body split until you need the extra volume that PPL provides.

What the research does NOT support:

• The idea that PPL is "more advanced" than upper/lower
• Claims that one split builds more muscle than another (when volume is equal)
• The notion that you must train 6 days to maximize gains

Your schedule and recovery capacity should drive split selection, not gym culture trends.

The 5-Day Hybrid Option

What if 4 days feels too few and 6 feels unsustainable?

The Upper/Lower/Push/Pull/Legs Hybrid:

• Day 1: Upper (compound-focused)
• Day 2: Lower (compound-focused)
• Day 3: Rest
• Day 4: Push
• Day 5: Pull
• Day 6: Legs
• Day 7: Rest

This gives you:

• Heavy compound focus on Upper/Lower days (strength-building)
• Higher rep, hypertrophy-focused work on PPL days
• Each muscle still hit ~2x/week

This structure is gaining popularity with intermediate lifters who want the benefits of both approaches.

Which Split for Which Goal?

Muscle Building (Plenty of Time): PPL

If your schedule allows 6 gym days and you want maximum muscle growth, PPL gives you:

• More total volume potential
• More isolation work per muscle
• Better "pump" sessions

Muscle Building (Limited Time): Upper/Lower

Same muscle growth frequency (2x/week) in 4 sessions. You'll need to be efficient with exercise selection, but results will be excellent.

Strength Focus: Upper/Lower

Heavy compound lifts benefit from more recovery. Upper/Lower gives you 2-3 rest days between heavy sessions. For pure strength, this is preferable.

Fat Loss While Training: Upper/Lower

When you're in a caloric deficit, recovery is compromised. Four training days is easier to sustain than six. Your goal is maintaining muscle, not maximizing volume.

What About the "Bro Split"?

The chest/back/legs/shoulders/arms "bro split" (5 days, each muscle 1x/week) is less optimal for most natural lifters. Research shows that training each muscle twice weekly produces superior hypertrophy.

The bro split can work — but it's less efficient than either Upper/Lower or PPL.

Sample Weekly Volume Comparison

Upper/Lower (4 days):

PPL (6 days):

PPL allows more total volume, but Upper/Lower hits optimal ranges for muscle growth too. See sets per muscle group per week for evidence-based targets.

Programming Your Split for Long-Term Progress

Choosing a split is step one. Programming it for continuous gains is where most people fail.

Periodization matters more than split choice. Whether you run upper/lower or PPL, your program needs:

1. Progressive overload — Adding weight, reps, or sets over time. A lat pulldown at 100 lbs for 3x10 should eventually become 3x12, then 110 lbs for 3x10.

1. Deload weeks — Every 4-6 weeks, reduce volume by 40-50% to allow accumulated fatigue to dissipate.

1. Exercise rotation — Swap exercises every 8-12 weeks to prevent accommodation. Replace leg press with hack squats, or overhead press with dumbbell pressing.

1. Volume progression — Start a training block with minimum effective volume and gradually increase. Don't begin at maximum recoverable volume.

Sample 12-week progression (either split):

• Weeks 1-4: 10 sets per muscle/week (base volume)
• Weeks 5-8: 14 sets per muscle/week (volume expansion)
• Weeks 9-11: 18 sets per muscle/week (peak volume)
• Week 12: 8 sets per muscle/week (deload)

This approach works regardless of whether those sets are distributed across 4 upper/lower days or 6 PPL days. The principles remain constant.

See our evidence-based training principles for the complete science behind these recommendations.

Making Your Decision

Hypertrophy research emphasizes that the "best" split is the one that matches your schedule and recovery. A 4-day upper/lower beats a 6-day PPL that you can only do 4 days of. Consistency over the course of months matters far more than which split you pick.

Choose Upper/Lower if:

• You can only commit to 4 gym days
• You have a demanding schedule outside the gym
• You're in a fat loss phase
• You prefer longer, more comprehensive sessions

Choose PPL if:

• You can commit to 6 gym days consistently
• You want maximum exercise variety
• You prefer shorter, more focused sessions
• You're in a muscle building phase with solid recovery

Consider the 5-day hybrid if:

• 4 days feels insufficient but 6 feels unsustainable
• You want heavy compound work AND isolation work
• Your schedule has some flexibility

Not sure which split fits your schedule and goals? MySetPlan asks about your available training days, experience level, and equipment during the quiz — then builds the right split for you automatically.

What MySetPlan Does

MySetPlan's quiz asks how many days you can train and builds the right split automatically. Tell us your schedule, equipment, and goals — we handle the programming.

You don't have to choose between Upper/Lower and PPL. The quiz chooses for you based on what works best for your situation. See how our structured approach compares to other workout tools in our best AI workout app comparison.

Take the 2-minute quiz →

Frequently Asked Questions

Is PPL or upper lower better for hypertrophy?

Both produce equal hypertrophy when total weekly volume is matched. PPL allows more volume per muscle per session, while upper/lower is more time-efficient. A 2016 meta-analysis found that training each muscle twice weekly is optimal for growth — both splits achieve this. Choose based on your schedule, not perceived "superiority."

How many days per week is upper lower vs PPL?

Upper/lower is typically 4 days per week (two upper days, two lower days). PPL is either 3 days (hitting each muscle once weekly) or 6 days (hitting each muscle twice weekly). The 6-day PPL is more common since it matches the 2x/week frequency research supports for hypertrophy.

Can beginners do push pull legs?

Beginners can do PPL, but full body workouts are typically better for the first 3-6 months. Beginners need to practice movement patterns frequently, and full body training provides more skill repetition. After building a foundation, transitioning to PPL is a solid next step.

Which split is better for natural lifters?

There's no "better" split for natural lifters specifically. What matters is training frequency (2x/week per muscle), progressive overload, adequate recovery, and consistency. Both upper/lower and PPL can achieve excellent results for naturals when programmed correctly.

Is 4 days enough for upper lower split?

Yes, 4 days is the standard upper/lower schedule and provides optimal results. Each muscle gets trained twice per week with 48-72 hours of recovery between sessions — exactly what research recommends for hypertrophy. More days aren't better if you're hitting frequency and volume targets.

Which split is better for strength?

Upper/lower tends to work better for pure strength goals because you can prioritize big compound lifts (bench press, squat, deadlift) at the start of each session with full energy. PPL spreads compounds across more days, which can mean less intensity per lift.

Should I switch from upper lower to PPL?

Switch when you need more volume to keep growing. If your upper body days are running 90+ minutes because you're cramming in enough sets, that's a sign you've outgrown upper/lower and PPL will let you spread the work out.

For optimal workout duration on either split, see how long should a workout be. For training frequency guidance, read how many days per week to work out.

For a comparison of how different apps program these splits, see MySetPlan vs Fitbod.