5-day/week Muscle Building Workout (MN.28)
Free program overview — full interactive version lives in the WorkoutsLab app.
Advanced4-DAY PROGRAMBODYBUILDING
4TRAINING DAYS
24EXERCISES
~90SETS / WEEK
MN.28VAULT CODE
1.The week
- Monday - Chest & Abs — 5 exercises (C h e s t · A b s)
- Tuesday - Arms: Biceps & Triceps — 5 exercises (B i c e p s · T r i c e p s)
- Friday - Legs — 5 exercises (L e g s)
- Thursday - Back & Shoulders — 9 exercises (B a c k · S h o u l d e r s · A b s)
2.Sample training day
| Exercise | Sets | Reps | Rest |
| C h e s t |
| incline barbell bench press* | 4 | 6 to 8 | — |
| incline dumbbell flyes | 3 | 10 to 12 | — |
| decline barbell bench press* | 4 | 6 to 8 | — |
| A b s |
| cable (rope) crunches | 4 | 10 to 12 | — |
| hanging leg raises | 4 | 12 to 14 | — |
Sample: Monday - Chest & Abs — one of 4 training days. The app runs the full week with checkoffs, rest timers, and logging.
3.The rest of the week — full exercise lineup
Every movement in the program, day by day. Exact sets, reps, rest periods, and progression live in the app.
Tuesday - Arms: Biceps & Triceps
- seated dumbbell curls
- dumbbell curls (on preacher bench)
- decline alternating dumbbell curls
- lying (twisting) dumbbell extensions
- dumbbell kickbacks (double-pumps)
Friday - Legs
- squat
- seated (machine) leg extensions
- hamstring (machine) extensions
- calve (standing) raises
- seated calve raises
Thursday - Back & Shoulders
- upright (barbell) rows
- shrugs
- deadlift
- bent-over barbell rows
- seated Arnold press
- front raise shoulders (dumbbell) twists
- dumbbell lateral raises
- bent-over reverse flyes*
- Cable (rope) crunches
Run the full 4-day program in the app — every day with set checkoffs, rest timers, progression tracking, and the training log.
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