2892: Upper Lower Split Workout | How to Build Muscle 4 Days a Week
July 2, 2026
AI Summary
5 min readUpper Lower Split: A Moderate Path to Muscle Building
The Mind Pump team introduces MAPS Upper Lower, their first true four-day-per-week split program, designed as a middle ground between beginner bodybuilding and the high-volume programs that most people can't recover from. As Sal DeStefano explains, "A lot of people are like, 'I want to do that program, but it's just too much for most people. It doesn't produce great results with them because they just can't recover from it.'" This program fills the gap for people who want more than three days a week but less than the punishing volume of programs like MAPS Split or MAPS Aesthetic.
Why Upper Lower Works
The upper lower split hits each body part twice per week while keeping workouts manageable. Adam Schaefer notes that legs take a lot out of him—deadlifting, squatting, and lunging—and the split lets him "get after it" on leg day, then recover with an upper body day that's easier to motivate for. The schedule runs two days on, one day off, two days on, two days off—typically Monday, Tuesday, Thursday, Friday. This means you train upper body and lower body twice per week with built-in recovery windows.
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What you'll learn
- 1 (01:13) **Introduction to Maps Upper Lower** - The hosts announce a brand new MAPS program: a classic bodybuilder split for 4 days a week.
- 2 (03:21) **Why This Program Exists** - The hosts explain the gap this program fills in their lineup.
- 3 (05:13) **Personal Favorites & The Appeal of Upper/Lower** - The hosts share why they personally love this split.
- 4 (07:36) **Why Not Full Body? The Volume Problem** - The hosts explain the practical limit of full-body training.
- 5 (09:55) **The Three-Phase Structure & Why 3 Weeks** - A deep dive into the program's periodization.
- 6 (14:15) **Phase Breakdown: Reps, Sets, and Schedule** - The specific rep and set schemes for each phase.
- 7 (17:34) **Men's vs. Women's Version: The "Tweak"** - The hosts explain the logic behind the separate versions.
+ Full timestamped outline available in the app
Guests on this episode
Show Notes
In this episode the guys break down their brand new MAPS Upper Lower program — a classic four day bodybuilder split designed for people who want to shape, sculpt and build their body with more volume than a full body routine but without the intensity of programs like MAPS Aesthetic. They cover why the upper lower split is one of their personal favorite ways to train, how the three phase structure prevents plateaus, why the final phase ends with a five by five strength focus, and why they built separate men's and women's versions with different priority lifts.
MAPS Upper Lower: https://mapsupperlower.com Code: LAUNCH for 40% off. Includes male and female programs, workout videos, exercise demos, coaching videos and live coaching with Cole. At home dumbbell version included.
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LINKS
Mind Pump Store: https://mindpumpstore.com
Maps Fitness Products: https://mapsfitnessproducts.com
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