Training Science

The Best Workout Split For Beginners (And Why Most Are Wrong)

Most beginner programmes online are written for advanced lifters with five days a week to train. That's why they fail. The best split is the one you can actually do consistently for 12 weeks. Here's how to choose.

The three splits worth considering

  • Full-body 3x/week - best for true beginners and busy schedules
  • Upper/Lower 4x/week - the sweet spot for most intermediate beginners
  • Push/Pull/Legs 6x/week - only if you can genuinely train 6 days and recover

Why full-body usually wins for the first 12 weeks

You hit every muscle multiple times a week, which is what drives early strength and muscle gains. You build skill on the main lifts faster because you repeat them. And if you miss a session, you've still trained every muscle that week.

How to choose your split

  • 2–3 days a week available → Full-body
  • 4 days available → Upper/Lower
  • 5 days available → Upper/Lower + 1 conditioning day
  • 6 days and recovering well → Push/Pull/Legs

Why A90 picks the split for you

Inside A90 you set how many days you can realistically train. The plan then chooses the split that fits, programmes progression across 90 days, and re-picks if your availability changes mid-programme. No more downloading a 5-day split you'll never finish.

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FAQ

What's the best workout split for a beginner?

Full-body three times a week is the best workout split for almost every true beginner. It builds skill on the main lifts, hits each muscle frequently and survives a missed day without derailing your week.

Is push pull legs good for beginners?

Usually no. Push pull legs needs 5–6 training days and assumes you can recover from high frequency. Most beginners are better off with full-body or upper/lower until they've trained consistently for several months.

How long should a beginner stay on full-body?

At least 12 weeks. Many people benefit from staying full-body for 6+ months. Splits get more granular as your training age and recovery capacity grow - not because of internet trends.

Can I switch splits mid-programme?

You can, but only when your training availability or recovery actually changes. With A90 the plan adjusts automatically when you change your weekly availability, so you don't have to guess.

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