Mass-Building Workout Programs

Mass-building programs are built around compound barbell lifts — bench press, squats, rows — with moderate reps (8–11) and steadily increasing working weights.

How to choose

Skinny build, hard to gain weight — the Hardgainer program: 3 workouts a week, heavy basics, long rests.
Want a short start — Mass Building: Barbell & Machines: 4 weeks, 3 workouts a week.
Already training and ready for 4 days — the intermediate mass-building program: a classic split where every muscle group gets its own day.
Want to train each muscle twice a week — the 4-day upper/lower split.

How often to train

3–4 workouts. For mass, consistency and adding load week after week matter more than the number of days.

How to progress

Stay within the program's rep range. Once you hit the top of the range on all sets, add weight: 2.5–5 kg on compound lifts, 1–2 kg per dumbbell on isolation moves. Rest 1.5–2 minutes between heavy sets. Without enough calories and protein, muscle won't grow — training sends the signal, food provides the building material.

4 plans in this collection

Hardgainer Mass-Building Program for Skinny Men

A muscle-gain program for ectomorphs. 10 weeks, 3 workouts a week (Mon/Wed/Fri), 30 workouts in total. A push/pull/legs split built around heavy barbell basics: bench press, bent-over row, squat and seated press. 5 exercises per workout, 3–4 sets of 8–10 reps. Long rest between sets (90–120 s). The key rule of the plan: eat above your calorie needs consistently, or the mass won't come.

Intermediate68 days30 workouts

Mass Building: Barbell & Machines

A 4-week muscle-building program: 3 workouts a week (Mon/Wed/Fri), 12 workouts. Barbell basics (hack squats, deadlifts, squats, overhead press, barbell rows) plus machines to finish each muscle. 5 exercises, 3–4 sets of 8–12 reps; +1 rep every week.

Intermediate26 days12 workouts

Mass-Building Gym Program — Intermediate

An 8-week muscle-building program: 4 workouts a week (Mon/Tue/Thu/Fri), 32 workouts. Classic split: back + biceps → chest + triceps → legs → shoulders + abs, so every muscle group gets its own day and full volume. Barbell compound lifts (bent-over rows, bench press, squats, overhead press) followed by machine work. 5–6 exercises, 3–4 sets of 8–11 reps; add 1 rep every week, heavier weights from week 5 (+5 kg on the main lifts). Rest 90–120 seconds between sets.

Intermediate54 days32 workouts

4-Day Upper/Lower Gym Split — Intermediate

An 8-week upper/lower split: 4 workouts a week (Mon/Tue/Thu/Fri), 32 workouts. Two different upper-body workouts (barbell presses and rows, dumbbells, cables, arms) and two lower-body workouts (squats, deadlifts and Romanian deadlifts, leg press, hip thrusts, abs), so every muscle is trained twice a week. 5–6 exercises, 3–4 sets of 8–11 reps; add 1 rep every week, +5 kg on barbell and machine lifts from week 5. For those who already train confidently.

Intermediate54 days32 workouts

Frequently asked questions

How many reps should I do to build mass?

The programs here use 8–11 on the main lifts. The last reps of each set should take real effort.

Do I need supplements?

Not necessarily. What matters is an overall calorie surplus and enough protein from regular food; protein powder is just a convenient way to top it up.

How fast does muscle grow?

Beginners eating well usually see noticeable changes within 2–3 months. Progress slows with experience.

How is Hardgainer different from a 4-day split?

Hardgainer is 3 heavy workouts a week with few exercises and long rests. A 4-day split adds more volume and suits those who already train confidently.

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