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Upper Lower Split: The 4-Day Program That Fits Real Life

Workout Programs Β· IronPeak Fitness Editorial Β· Updated 2026-10-09

A complete upper/lower routine β€” the best balance of frequency, recovery, and schedule flexibility for most lifters.

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Not medically reviewed. IronPeak publishes general editorial education, not medical advice, a diagnosis, a prescription, or individualized clearance. No clinician reviewer or professional credentials have been verified for this site. Review & sourcing policy.

Why Upper/Lower Wins for Busy People

Four days trains everything twice weekly, leaves weekends free, and survives a missed day better than 6-day splits.

Run the program as written for at least eight to twelve weeks before changing anything. Program-hopping is the single most common reason beginners fail to progress β€” the plan works if you let it.

Upper Day A

Bench press 4Γ—5–8, row 4Γ—6–10, overhead press 3Γ—8–12, pulldown 3Γ—8–12, curls and pushdowns 2Γ—10–15 each.

Log every session: exercise, weight, sets, reps. Next session, try to beat something. That loop β€” not the specific exercises β€” is what builds muscle.

Lower Day A

Squat 4Γ—5–8, Romanian deadlift 3Γ—8–10, leg press 3Γ—10–12, leg curl 3Γ—10–15, standing calves 4Γ—10–15.

Leave two to three reps in the tank on most sets. Training close to failure drives growth; training past form breakdown drives injuries and missed weeks.

Days B: Change the Emphasis

Repeat the pattern with variations β€” incline press, deadlift, front squat, chin-ups β€” to cover angles and keep sessions fresh.

If a listed exercise hurts (sharp pain, not muscle burn), swap it for the closest pain-free variation and move on. No single exercise is mandatory.

Progression

Double progression on everything: top of the rep range, add 5lb (2.5lb upper body), repeat. Deload every 8 weeks.

Pair this training with the boring fundamentals β€” 0.7–1g of protein per pound of bodyweight and 8+ hours of sleep β€” or the best program on earth will underdeliver.

Sources & Evidence Limits

NIH ODS summarizes ingredient research, not evidence that a particular branded product works or is safe for you. Many ingredients and blends have limited or mixed evidence.

Sources retrieved October 9, 2026. No clinician has reviewed this content. Read our sourcing policy.

Health Note

This article is educational, not medical advice. Consult a qualified healthcare professional before beginning any new diet, supplement, or exercise program β€” especially if you are under 18 or have a medical condition.

FAQ

Are results guaranteed?

No. Responses vary. Editorial guidance and ingredient research cannot guarantee performance, muscle gain or personal safety.

Do I need supplements?

No supplement recommendation is made for minors. Food, hydration, appropriate training and rest come first. Adult shopping content is not a prescription or individualized clearance.

Is this medically reviewed?

No. No clinician reviewer or professional credentials have been verified for this site. A pediatric healthcare professional should assess individual questions for young athletes.

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