How to Choose a Workout Split That Fits Your Week

Updated October 5, 2026 · General information, not medical advice.

The best workout split is the one you can repeat every week. Start with how many days you can train: 2 to 3 days suits full-body workouts, 4 days suits upper/lower, and 5 to 6 days suits push/pull/legs or a body-part split. Research suggests that when total weekly work is equal, how you divide it matters less than doing it consistently [1].

What a "split" is

A split is how you divide your training across the week. You can train every muscle each session (full body), split by upper and lower body, split by movement type (push, pull, legs), or work one or two body parts per day.

Step 1: Count the days you can really train

Be honest. Plan for a normal week, not your best week. A plan with five sessions that you complete three of is a three-day plan with gaps.

The American College of Sports Medicine (ACSM) suggests training frequencies of 2 to 3 days per week for novices, 3 to 4 for intermediate lifters, and 4 to 5 for advanced lifters [2]. For general health, U.S. guidelines say adults need muscle-strengthening activity at least 2 days each week [3].

| Days per week | Good fit | Guide | |---|---|---| | 2 to 3 | Full body | Full-body routine | | 3 | Full body, or upper/lower/full | Three-day split | | 4 | Upper/lower | Upper/lower split and four-day split | | 5 to 6 | Push/pull/legs | Push/pull/legs split |

Step 2: Think about how often each muscle is trained

A 2016 meta-analysis of 10 studies found that training a muscle twice a week produced more growth than once a week, though it did not control for total volume [4]. A 2019 meta-analysis of 25 studies found no meaningful difference between higher and lower frequencies when volume was equated, and concluded people can choose frequency by personal preference [1].

The practical takeaway:

Hitting each major muscle at least twice a week is a reasonable default [4] and is easy to schedule with full-body or upper/lower splits.
Once a week can work too, if you do enough hard sets in that one session.
What matters most is total weekly sets and effort, not the label on the split.

Step 3: Check your recovery

Recovery is personal. Sleep, stress, food, age, and job all affect how much training you can absorb. Common signs a split may be too much:

Your logged lifts drop for several sessions in a row.
You dread most sessions.
Joints feel sore, not just muscles.

If that is you, you might drop a day or cut some sets. You can also add a planned easy week from time to time [5].

Step 4: Match the goal

Build muscle: pick a split that lets you train each muscle at least twice a week with enough sets. Upper/lower and full-body are easy fits.
Get stronger: practice your key lifts often. Full body and upper/lower both give you frequent practice.
Lose fat while keeping muscle: keep lifting and keep logging your lifts, so you can see whether your strength holds.
Run and lift: choose fewer lifting days so legs are fresh for runs.

This guide does not promise any result. Genetics, nutrition, sleep, and consistency all play a part.

Step 5: Consider your preferences

Do you like long sessions or short ones? Choose the session length you will actually keep. The 2019 review's own conclusion is that frequency can be chosen by personal preference when volume is equal [1].

A simple decision path

Can you train 2 or 3 days? Use full body.
Can you train 4 days? Use upper/lower.
Can you train 5 or 6 days and like variety? Use push/pull/legs.
Not sure? Start with full body 3 days a week, and change only after you have stalled for a while.

You can switch splits later. Keep your exercise log so the move is smooth.

Doing this in Liftrung

Liftrung's workout logger shows what you did last time beside every set, so you can change from one split to another and still see the numbers you need. The gem ladder tracks each muscle group against your own baseline.

Key points

The best split is the one you can repeat.
Choose by days available: 2 to 3 full body, 4 upper/lower, 5 to 6 push/pull/legs.
Training each muscle twice a week is a reasonable default [4]. A 2019 review found frequency made no meaningful difference when weekly volume was equal [1].
Adjust for recovery and goals, and review after a few months.

Sources

Schoenfeld BJ, Grgic J, Krieger J. How many times per week should a muscle be trained to maximize muscle hypertrophy? A systematic review and meta-analysis. J Sports Sci, 2019. https://pubmed.ncbi.nlm.nih.gov/30558493/
American College of Sports Medicine. Position stand: Progression models in resistance training for healthy adults. Med Sci Sports Exerc, 2009. https://pubmed.ncbi.nlm.nih.gov/19204579/
U.S. Department of Health and Human Services. Physical Activity Guidelines for Americans, 2nd edition: Top 10 things to know. https://odphp.health.gov/our-work/nutrition-physical-activity/physical-activity-guidelines/current-guidelines/top-10-things-know
Schoenfeld BJ, Ogborn D, Krieger JW. Effects of resistance training frequency on measures of muscle hypertrophy: a systematic review and meta-analysis. Sports Med, 2016. https://pubmed.ncbi.nlm.nih.gov/27102172/
Bell L, Darragh IAJ, Travis SK, Rogerson D, Nolan D. A practical approach to deloading: recommendations and considerations for strength and physique sports. Strength Cond J, 2025;48(4):413-423. https://doi.org/10.1519/SSC.0000000000000910