Arnold Split: The Complete 6-Day Muscle-Building Guide
The Arnold-style split groups chest with back, shoulders with arms, and legs on their own day. Repeat those three sessions twice for a six-day week, or continue the sequence across a slower rolling schedule. The key planning questions are your exercise choices, weekly sets and recovery between overlapping upper-body sessions.
This guide explains the format and gives an illustrative six-session routine with progression and scheduling options. It is an editorial example, not an authenticated routine written or performed by Arnold Schwarzenegger.
What is the Arnold Split?
The Arnold-style split rotates chest/back, shoulders/arms and legs. A six-day week repeats that cycle twice. Exercise selection and set count are separate programming decisions; there is no single universal prescription of four to six exercises with four to five sets per muscle.
History and attribution: “Arnold split” is commonly used for this body-part grouping. A guest article by John Romaniello on Schwarzenegger’s website discusses split choices, but it does not authenticate the exercise list below.
Who it is for: This six-day example is for experienced lifters who know the movements and can accommodate frequent training. Beginners can use a simpler full-body or upper/lower schedule while learning the lifts.
Arnold Split Workout Routine
This editorial example contains 12 working-set entries per session and 72 per six-session week, excluding warm-ups. Unilateral sets count once while both sides are performed. Direct chest work totals 12 sets and listed back pulling totals 12 across the week. Presses and pulls also overlap with the next shoulder/arm day, so keep roughly two or three controlled reps available and reduce work if performance deteriorates. Perform straight sets initially; the exercise pairings are organizational, not instructions to rush rest.
Day 1 — Chest and Back
Barbell bench press: 3 sets × 6–8 reps
Incline dumbbell press: 2 sets × 8–12 reps
Chest-supported row or T-bar row: 3 sets × 6–8 reps
Pull-up or lat pulldown: 2 sets × 8–12 reps
Cable fly and straight-arm pulldown: 1 set × 12–15 reps each
Day 2 — Shoulders and Arms
Seated barbell or dumbbell press: 2 sets × 6–8 reps
Lateral raise: 2 sets × 10–15 reps
Rear-delt fly or face pull: 2 sets × 12–15 reps
Barbell curl and lying triceps extension: 2 sets × 8–12 reps each
Hammer curl and rope pushdown: 1 set × 12–15 reps each
Day 3 — Legs
Back squat or front squat: 3 sets × 6–8 reps
Leg press: 2 sets × 10–15 reps
Romanian deadlift: 2 sets × 6–10 reps
Walking lunge or Bulgarian split squat: 2 sets × 10–12 reps per leg
Standing calf raise: 3 sets × 12–20 reps
Day 4 — Chest and Back (variation)
Dumbbell flat press: 3 sets × 8–12 reps
Incline barbell press: 2 sets × 6–10 reps
One-arm dumbbell row: 3 sets × 8–12 reps per side
Lat pulldown or assisted pull-up: 2 sets × 8–12 reps
Pec-deck fly and low cable row: 1 set × 12–15 reps each
Day 5 — Shoulders and Arms (variation)
Standing or seated overhead press: 2 sets × 6–8 reps
Lateral raise and rear-delt fly: 2 sets × 10–15 reps each
Incline dumbbell curl and overhead triceps extension: 2 sets × 8–12 reps each
Reverse curl and triceps kickback: 1 set × 12–15 reps each
Day 6 — Legs (variation)
Deadlift (conventional or trap bar): 2 sets × 4–6 reps
Hack squat or front squat: 3 sets × 8–12 reps
Glute bridge or hip thrust: 2 sets × 8–12 reps
Leg extension: 1 set × 12–15 reps; lying leg curl: 2 sets × 12–15 reps
Seated calf raise: 2 sets × 12–20 reps
Rest and scheduling notes
For six sessions in seven days: Monday chest/back A, Tuesday shoulders/arms A, Wednesday legs A, Thursday chest/back B, Friday shoulders/arms B, Saturday legs B, Sunday rest. A two-days-on/one-day-off pattern is a different rolling schedule: continue the session sequence after each rest day rather than dropping a leg session. It averages fewer than six sessions per week.
Benefits of the Arnold Split
The format distributes muscle-building work across focused sessions. More sets have diminishing returns, so increase volume in response to your training rather than simply filling the calendar.
The six-day version repeats each session twice per week. Frequency helps distribute work; volume-matched research does not establish twice-weekly training as automatically superior for muscle growth.
Chest/back and biceps/triceps pairings may be convenient. If you alternate sets, allow enough recovery before repeating each exercise and check that performance remains stable.
You can substitute suitable exercises without changing the basic three-session sequence.
How to perform the Arnold Split properly
This section covers exercise selection, sets and reps guidance, rest periods, progressive overload, and deload planning.
Exercise selection and order
Start with the lift most important to your goal, after appropriate warm-up sets.
Follow with compound movements that target the same region, then finish with isolation and pump work.
Keep exercises consistent long enough to practise technique and compare performance. Substitute when comfort, goals or equipment calls for it; adaptation is a desired outcome.
Sets, reps and rest
The example uses 1–3 working sets per exercise. Keep those allocations stable initially and account for the second weekly session before adding sets.
The listed rep ranges give each exercise a practical target. Muscle growth is possible across a broad range; lower-repetition work is more specific to practising heavier lifts.
Rest about 2–3 minutes for compound lifts and 1–2 minutes for accessories, extending the interval when you need it to repeat controlled work.
Progressive overload strategies
Record every set. When all sets reach the top of the stated range with the intended technique and effort, try the smallest practical load increase.
Review several weeks of performance before changing volume. A lighter week is an option when workload is difficult to sustain, rather than a required phase after every two to four weeks.
Forced reps, drop sets and rest-pause work are not needed for this routine. Keep the base program repeatable before considering techniques that add fatigue.
Deload protocols
A lighter week can be used when the program or recovery calls for it. Treat the amount and timing of reduced work as an individual adjustment rather than a required six-to-twelve-week formula.
Persistent soreness, sleep changes or declining performance deserve a broader review of workload and health. Reduce demanding work when appropriate and seek qualified help if symptoms persist or worsen.
Warm-up and mobility
Begin each session with 5 to 10 minutes of light cardio and dynamic warm-up specific to the day's joints and movement patterns.
Perform progressive warm-up sets for the heavy compounds, moving from lighter sets to your working weight.
Tracking your progress
Log sets, reps, and weights to objectively monitor progress. If you want a simple tool to record sets and workouts, consider using the Setgraph workout tracker to keep clean logs and review trends.
Resources for programming
For deeper principles and templates that complement the Arnold split see the Setgraph Training Guide and tips on how to optimize your training.
Recovery, Nutrition and Sleep
Plan training around sleep, regular meals and other demands. If six days becomes difficult to sustain, use a slower rotation or fewer weekly sessions.
Calories and macros by goal
For muscle gain, adjust food intake gradually using body-weight and training trends. There is no Arnold-specific calorie surplus or mandatory fat percentage.
For healthy exercising adults, ISSN protein guidance gives 1.4–2.0 g/kg daily. Include carbohydrate and fat sources in a varied diet.
Drink regularly and account for heat and sweat losses. A sports drink or electrolyte supplement is not automatically necessary for every lifting session.
Pre- and post-workout nutrition
Before training, eat a meal or snack you digest comfortably. Choose timing and portions that let you train without hunger or stomach discomfort.
After training, include a protein source in your normal meal pattern. A fixed carbohydrate dose and narrow post-workout deadline are not requirements of this split.
Sleep and daily recovery
Protect a regular sleep schedule; most adults need at least seven hours, and some need more.
Walking or gentle mobility can be a comfortable rest-day activity. Keep it optional and easy rather than treating it as a necessary treatment for soreness.
Supplements (optional)
Protein powder can help when food is inconvenient. Creatine monohydrate is an optional supplement with evidence for repeated high-intensity performance. Do not use supplements as a treatment for pain or inflammation without appropriate advice.
Who should follow the Arnold Split?
Consider it when you have consistent lifting experience, controlled technique and time for the chosen schedule. A fixed number of years does not establish readiness.
The calendar example requires six visits. Session length depends on warm-ups, rest and equipment access; a rolling version provides more rest days but fewer average weekly sessions.
Not ideal for people with limited recovery capacity, irregular schedules, or those managing chronic injuries.
Realistic expectations: Track technique, reps and load at comparable effort. Changes in muscle size take time and vary between people; judge whether the routine is sustainable as well as whether performance improves.
Arnold Split compared to other popular splits
Arnold-style vs PPL: Arnold-style pairs chest/back and then shoulders/arms; PPL groups pressing muscles together and pulling muscles together. Either can use a high or low workload. In the Arnold-style sequence, account for pressing and arm overlap on adjacent days.
Arnold Split vs Bro Split: this six-day layout repeats each session twice; a typical bro split concentrates most direct work once weekly. Compare the actual workload and practicality, rather than assuming one frequency is always superior.
Arnold Split vs Upper/Lower: this six-day layout and a four-day upper/lower plan can both provide two sessions per region. Compare their actual exercises, working sets and available training days; the split name alone does not establish which will work better for you.
When to switch: First review exercise choice, workload and adherence. Change to a PPL, upper/lower or full-body schedule when it better fits your goals or availability; a new split does not automatically reset fatigue.
Troubleshooting and common mistakes
Persistent fatigue, poor sleep or declining performance can have several causes. Review workload and seek qualified assessment when symptoms persist or worsen; these signs alone do not diagnose overtraining. The ECSS/ACSM consensus explains the diagnostic uncertainty.
Redundant exercise selection: avoid adding several similar lifts without a reason. Check horizontal and vertical movements against your goals and comfort, rather than promising that a fixed menu prevents imbalances.
Neglecting recovery: high frequency means your nutrition, sleep and stress management must be intentional.
What to do if you miss a workout: do not double up sessions. Continue with the next scheduled workout and adjust volume slightly that week if needed.
Technique and load selection: use controlled movements, suitable equipment and spotters or safety bars where needed. Stop an exercise that causes pain.
Implementation: an illustrative 8-week plan
Week 1 to 2: Establish baseline
Use conservative weights that allow clean reps. Focus on learning the routine and tracking reps.
Week 3 to 6: Progressive overload block
Within the intended rep range, add reps before increasing load when appropriate. If all sets reach the top with control and the intended effort, try a small practical increase. Keep set counts stable while assessing that change.
Week 7: Review performance
Compare the log with earlier sessions at similar technique and effort. If performance is falling, review workload and other demands before trying to intensify training.
Week 8: Choose the next block
Continue if the routine is working and recovery is manageable. Otherwise use a lighter period or adjust the schedule, then reassess. This review week does not require a fixed percentage reduction.
Modifications for different equipment or experience
Gym-limited substitutions: replace barbell rows with single-arm dumbbell rows; replace leg press with lunges or goblet squats.
For less experienced lifters, choose a simpler full-body or upper/lower routine rather than applying an arbitrary percentage reduction to a six-day plan.
Helpful tools and tracking
Log weights, sets and reps consistently. Browse the fitness and workout tips and Setgraph reviews for more on workout logging.
FAQ
Is the Arnold split good for beginners?
A simpler, lower-volume full-body or upper/lower plan may be easier for a beginner to learn and repeat. The six-day example here is not a necessary starting point.
How long should I run the Arnold split?
Continue while the routine fits your goals, performance and recovery. Review the log every few weeks and make earlier changes for pain, persistent fatigue or scheduling problems.
How much should I eat on the program?
Match food intake to your goal and adjust it from your body-weight and training trends. For protein, see the healthy-adult guidance in the nutrition section above; the split itself does not set calorie needs.
Can I do cardio while on the Arnold split?
Cardio can be combined with lifting, but total workload matters. Choose an amount and intensity you can recover from and adjust if it interferes with the sessions that matter to your goals.
What if I can only train 4 days a week?
A four-day upper/lower week is the simplest fixed alternative. To retain the Arnold-style sequence, train Monday, Tuesday, Thursday and Saturday and continue chest/back → shoulders/arms → legs across weeks: week 1 C/S/L/C; week 2 S/L/C/S; week 3 L/C/S/L. Each session type occurs four times over three weeks, averaging 1⅓ per week rather than twice.
Final notes and resources
Choose the schedule you can repeat, track the actual workload and adjust one variable at a time. For more, see the Setgraph Training Guide, resources on training organization and the Setgraph workout tracker.
For a gym reference, write the selected exercises and target ranges into a simple session log, then record actual reps and load. Do not assume a tracking app provides a printable export unless that feature has been verified.
