The Arnold Split: Classic Bodybuilding Routine

The Arnold Split is a 6-day bodybuilding program made famous by Arnold Schwarzenegger during his Mr. Olympia reign. It pairs antagonist muscle groups for maximum pump and time efficiency.

πŸ“± Get the Arnold Split in GymBudyn

Download GymBudyn on iOS or Android and select "Arnold Split - Chest & Back" and "Arnold Split - Shoulders & Arms" from the built-in templates.

What is the Arnold Split?

Unlike push/pull/legs, the Arnold Split pairs antagonist muscles together:

  • Day 1 & 4: Chest & Back
  • Day 2 & 5: Shoulders & Arms
  • Day 3 & 6: Legs

Each muscle group is trained twice per week with high volumeβ€”a hallmark of golden era bodybuilding.

Why Antagonist Pairing Works

  • Time efficient: Superset opposing muscles with minimal rest
  • Enhanced pump: Blood stays in the area, maximizing the pump
  • Balanced development: Train both sides of a joint equally
  • Active recovery: One muscle recovers while the other works

Day 1/4: Chest & Back

Exercise Sets Γ— Reps Notes
Bench Press ↔ Barbell Row 4 Γ— 8-10 Superset pair
Incline Press ↔ Pull-ups 4 Γ— 10-12 Superset pair
Dumbbell Flyes ↔ Cable Row 3 Γ— 12-15 Superset pair
Cable Crossover ↔ Straight Arm Pulldown 3 Γ— 15-20 Finisher superset

Day 2/5: Shoulders & Arms

Exercise Sets Γ— Reps Notes
Overhead Press 4 Γ— 8-10 Main shoulder compound
Lateral Raises 4 Γ— 10-12 Side delt width
Rear Delt Flyes 3 Γ— 12-15 Rear delt balance
Barbell Curls ↔ Skullcrushers 4 Γ— 8-10 Superset pair
Dumbbell Curls ↔ Tricep Extension 3 Γ— 10-12 Superset pair
Hammer Curls ↔ Pushdowns 3 Γ— 12-15 Finisher superset

Day 3/6: Legs

Exercise Sets Γ— Reps Notes
Barbell Squats 5 Γ— 6-10 Primary compound
Leg Press 4 Γ— 10-12 Quad volume
Leg Curls 4 Γ— 10-12 Hamstring focus
Romanian Deadlifts 3 Γ— 8-10 Posterior chain
Calf Raises 5 Γ— 15-20 High volume calves

Sample Weekly Schedule

Mon: Chest/Back | Tue: Shoulders/Arms | Wed: Legs | Thu: Chest/Back | Fri: Shoulders/Arms | Sat: Legs | Sun: Rest

Who Should Use the Arnold Split?

  • Intermediate-advanced lifters with 1+ years of training
  • Those who can commit to 6 days per week
  • Lifters focused on hypertrophy and aesthetics
  • People who enjoy longer, high-volume workouts

πŸ’‘ Modern Modification

If 6 days feels excessive, run the Arnold Split as 4 days (Chest/Back, Shoulders/Arms, Legs, Rest, repeat). You'll hit everything 1.5Γ— per week instead of 2Γ—.

Train Like Arnold

Get both Arnold Split templates in GymBudyn with built-in progress tracking.

Download GymBudyn Free

References

  • Schwarzenegger, A. & Dobbins, B. (1998). The New Encyclopedia of Modern Bodybuilding.
  • Schoenfeld, B.J. (2010). The mechanisms of muscle hypertrophy. Journal of Strength and Conditioning Research.

⚠️ Disclaimer

This content is for educational purposes only. The Arnold Split is high volume and may not be suitable for beginners. Consult a qualified fitness professional before starting any new program.