πŸ’ͺ WorkoutsJanuary 22, 2025Β· 9 min read

Upper Lower Split: 4-Day Program for Strength and Size

The upper/lower split is one of the most efficient training structures for natural lifters. Here's how it works, why it produces results, and a ready-to-run 4-day program.

πŸ’ͺ
Advertisement

The upper/lower split divides your training into two types of sessions: one for the upper body and one for the lower body. Run four days per week, it lets you train every major muscle group twice β€” the minimum frequency needed for optimal hypertrophy according to current research.

It's one of the best splits for intermediate lifters because it's structured enough to drive consistent progress but flexible enough to fit around a busy life.

Why Upper/Lower Works

Frequency β€” Each muscle group gets hit twice per week, which research consistently shows to be superior to once-a-week training for muscle growth.

Recovery β€” Alternating upper and lower sessions means your upper body recovers while you're training legs, and vice versa.

Simplicity β€” Two types of days, repeated twice. Easy to track, easy to adjust.

Who It's Best For

  • Lifters with 3–12 months of consistent training
  • Anyone who can commit to 4 sessions per week
  • Those who've outgrown full-body beginner programs
  • Lifters coming back from a break

The 4-Day Upper/Lower Program

Day 1 β€” Upper (Strength)

ExerciseSetsRepsRest
Barbell Bench Press453 min
Barbell Row453 min
Overhead Press36–82 min
Lat Pulldown38–102 min
Tricep Pushdown210–1290 sec
Dumbbell Curl210–1290 sec

Day 2 β€” Lower (Strength)

ExerciseSetsRepsRest
Barbell Squat453 min
Romanian Deadlift36–82 min
Leg Press38–102 min
Leg Curl310–1290 sec
Calf Raise412–1560 sec

Day 3 β€” Rest or Light Cardio

Day 4 β€” Upper (Hypertrophy)

ExerciseSetsRepsRest
Incline Dumbbell Press410–1290 sec
Cable Row410–1290 sec
Dumbbell Shoulder Press312–1590 sec
Chest-Supported Row312–1590 sec
Lateral Raise315–2060 sec
Cable Fly212–1560 sec
Hammer Curl212–1560 sec

Day 5 β€” Lower (Hypertrophy)

ExerciseSetsRepsRest
Hack Squat / Leg Press410–1290 sec
Bulgarian Split Squat310–12 each2 min
Leg Extension315–2060 sec
Lying Leg Curl312–1560 sec
Hip Thrust312–1590 sec
Seated Calf Raise315–2060 sec

Days 6 & 7 β€” Rest

Structuring Your Week

The most common schedules:

OptionMonTueWedThuFriSatSun
A (back-to-back)UpperLowerOffUpperLowerOffOff
B (spread out)UpperOffLowerOffUpperLowerOff
C (3+1)UpperLowerUpperOffLowerOffOff

Option A keeps training days consecutive β€” good if your weekends are busy. Option B spreads sessions evenly for maximum recovery between sessions. Option C fits five sessions into the week if you want extra volume.

Progression Strategy

On strength days, add weight when you complete all reps cleanly. On hypertrophy days, move up in weight when you consistently hit the top of the rep range for all sets.

A simple rule: log every session, add weight or reps every week. If you haven't progressed in two weeks, something is wrong β€” check sleep, food, and stress before assuming the program needs changing.

Upper/Lower vs. PPL

Upper/LowerPPL
Sessions/week46
Frequency per muscle2Γ—2Γ—
Volume per sessionModerateHigh
Recovery demandLowerHigher
Best forIntermediatesIntermediate–Advanced

If you can only train 4 days, upper/lower wins. If you can handle 6 days and want more volume, look at PPL.

Key Tips

  • Don't turn strength days into hypertrophy days. Heavy compound work at low reps builds a different quality than pump work.
  • Rest times matter. Shorter rest on hypertrophy days keeps metabolic stress high.
  • Add isolation work gradually. Start lean and add sets only when your recovery can handle it.
Advertisement
#upper lower split#workout split#4 day program#strength#hypertrophy
πŸ’ͺ

IronVibe Team

Our team of certified fitness trainers and nutritionists create evidence-based content to help you reach your fitness goals faster.

Related Articles