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Programming
At six days a week these two are near-equivalent. At four, one of them is clearly better, and it is not the one most people pick.
Upper/lower wins at 4 days a week; PPL wins at 6. At 5 days a hybrid of the two is the usual answer. The deciding factor is not the split itself but whether it hits each muscle twice, which PPL only does when run twice through.
| Upper / lower | Push / pull / legs | |
|---|---|---|
| Natural week | 4 days | 6 days |
| Frequency per muscle | 2× | 2× at 6 days, 1× at 3 |
| Session length | 60–75 min | 50–70 min |
| Sets per muscle per session | 6–8 | 6–10 |
| Missing one day costs | Half of one body region | A whole movement pattern |
| Arm and delt work | Squeezed in | Plenty of room |
| Leg frequency | 2× | 2×, but both are full leg days |
Four days is where most people actually land, and at four days upper/lower is simply the better container: two upper, two lower, every muscle twice, the maths works without compromise.
PPL at four days does not fit. You end up either rotating (so the same muscle gets trained on different days each week, which makes recovery unpredictable) or repeating one day and short-changing the others. It is the most common way people run PPL and the least good.
At six days PPL is excellent. Each session is focused and relatively short, there is room for lateral raises and arm work that upper/lower always squeezes, and each muscle still gets two exposures. Upper/lower at six days means three upper and three lower days, which works but produces some very long sessions.
The real question at six days is not which split — it is whether you will still be doing six days in eight weeks.
A common and genuinely good arrangement: Upper · Lower · Push · Pull · Legs. Everything gets close to twice, the week has enough variety to stay interesting, and there is one obvious day to drop when life interferes.
Count the days you have trained in each of the last eight weeks, take the lower number, and choose from that. Choosing from the number of days you intend to train is how people end up on a six-day split they run four days a week, getting each muscle once.
At six days a week they are close to equivalent, with PPL offering shorter, more focused sessions. At four days upper/lower is clearly better, because PPL cannot hit each muscle twice in four sessions without rotating days.
Not well. Four sessions cannot cover three workout types twice, so you either rotate days, which makes recovery inconsistent week to week, or repeat one and under-train the others. Upper/lower fits four days cleanly.
Upper, lower, push, pull, legs is a common and effective arrangement. It gets every muscle close to twice a week, leaves room for shoulder and arm work, and has an obvious day to drop when the week goes wrong.
Full body three days a week, or upper/lower four days. Both provide high frequency per muscle and plenty of practice on the main lifts, which matters more early on than the split structure itself.
Whichever split you pick, the thing to verify is that each muscle really got two sessions and 10 to 20 sets. NutriMacro totals that from your logged work, so you find out in week two rather than in month four.
NutriMacro is a nutrition and training tracker for iPhone and Android. It logs food by barcode, photo or search, counts food in slices and units rather than grams, and keeps strength training, GPS activities, sleep and recovery in the same daily view. It runs in the language of your phone across 108 countries.
General training guidance for healthy adults. If you have an injury, a health condition or are new to lifting, get coaching on technique before chasing load.
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