Upper Lower Split

The upper lower split is the sweet spot for a lot of intermediate lifters: four focused sessions a week, each major muscle group trained about twice, and enough room for both heavy strength work and higher-rep growth work without living in the gym.

Splitting the week into two upper days and two lower days lets you separate heavier practice from higher-rep volume. That is why it scales well once a full-body workout starts feeling too long, but a 6-day split feels hard to recover from.

Source note: the evidence mainly supports frequency, volume distribution, progression, rest/intensity principles, and recovery management. The exact exercise menu below is an Brace AI editorial starting template.

Upper lower split: quick recommendation

• Strong default: train Monday, Tuesday, Thursday, and Friday. Use Upper A and Lower A for heavier work, then Upper B and Lower B for slightly higher reps.
• Best for strength and muscle: keep the first lift of each day heavier, then use accessories for volume. This lets you practice the big lifts without turning every set into a max effort.
• Best beginner option: use full body three days per week if you are still learning technique. If you strongly prefer upper/lower, rotate Upper, Lower, Upper one week and Lower, Upper, Lower the next.
• Best recovery adjustment: if lower-body fatigue builds up, move deadlifts to Lower A, reduce Lower B volume, or replace heavy deadlifts with Romanian deadlifts or leg curls.

Copy the plan

Programming note: this table is a practical starting template. NASM and A Workout Routine are used for upper/lower structure and schedule examples; PubMed/ACSM/NSCA sources support broader frequency, volume, rest, progression, and recovery principles. The exact lifts, sets, reps, and rest labels are Brace AI editorial defaults to adjust around technique, equipment, and recovery. NASM upper/lower splits A Workout Routine upper/lower split

Use this plan if

4-day upper/lower vs 3-day full body vs PPL

If you can train four days, upper/lower is usually the most balanced middle ground. It gives you more room than full body, but it does not require the near-daily schedule of PPL.

How we built this program

We built this upper/lower split around four rules.

First, the split should make weekly volume easier to recover from. Research and coaching sources generally point toward total hard sets, effort, and recovery as the important levers; frequency is useful because it spreads that work across the week.

Second, the A/B structure should have a purpose. The A days are heavier because strength work benefits from practice and longer rest. The B days use slightly higher reps because they add muscle-building volume without requiring every session to feel like a test.

Third, the plan should be adjustable. If squats and deadlifts both appear in the same week, some lifters need fewer accessory sets, an easier hinge variation, or more reps in reserve to keep the second lower day productive.

Fourth, progression should be tracked. Add load or reps only when the previous week was repeatable. If bar speed, form, sleep, or soreness gets worse, hold the load or reduce a few sets before forcing progression.

Progression source note: The progression, rest, and intensity principles are supported by ACSM and NSCA programming guidance. The specific double-progression rules, RIR ranges, and deload triggers are Brace AI editorial coaching defaults for turning those principles into a usable plan.

Weekly volume starting point

Use this template as a starting dose, not a volume target you must keep forever. The dose-response research on weekly resistance-training volume supports the broad idea that volume matters for hypertrophy, but the best amount still depends on the lifter, exercise selection, effort, recovery, and training age. This page starts conservatively: if performance is rising and soreness is manageable, add one or two hard sets to lagging muscle groups; if the second upper or lower day gets worse, remove sets before adding load.

Source note: the weekly-volume logic is informed by the PubMed frequency meta-analysis, the weekly volume dose-response meta-analysis, and Stronger by Science’s practical frequency discussion. The exact set counts in the workout table are Brace AI editorial defaults.

Progression rules

The substitution list is Brace AI editorial coaching guidance. It gives common ways to keep the same pattern when equipment, technique, or recovery changes; it is not claiming one substitution order is universally evidence-based.

Beginner and recovery caveats

Upper/lower can work for newer lifters, but it is not always the cleanest first program. A 3-day full-body plan gives more practice with the basic lifts and fewer total sessions to recover from. Move to upper/lower when full-body workouts become too crowded or when you want a clearer strength-and-volume split.

For recovery, watch the lower days first. Heavy squats, hinges, split squats, and leg presses can stack fatigue quickly. If Lower B starts dragging, reduce one leg accessory, swap heavy deadlifts for Romanian deadlifts, or keep the main lift at 2 to 3 reps in reserve for a few weeks.

Deloads do not need to happen on a fixed calendar. Use a lighter week when several signals line up: performance drops, soreness lasts longer than normal, joints feel irritated, sleep is poor, or motivation falls despite consistent training.

Recovery source note: Pain, fatigue, and recovery changes are practical coaching guidance. The source-backed principle is to adjust training variables to the lifter rather than forcing a fixed template (ACSM progression models, NSCA foundations).