
28-Day Mass Builder
A focused 4‑day training split designed to pack serious muscle onto your entire body in just four weeks.
Description
Important Notice
You can run this program for two full cycles (56 days). After finishing Day 28, simply start again from Day 1 and repeat the schedule.
Workout Plan
Day 1 — Legs & Abs
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Day 4 — Shoulders, Traps & Abs
Day 5 — Back & Biceps
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Day 8 — Legs & Abs
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Day 11 — Shoulders, Traps & Abs
Day 12 — Back & Biceps
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Day 15 — Legs & Abs
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Day 18 — Shoulders, Traps & Abs
Day 19 — Back & Biceps
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Day 22 — Legs & Abs
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Day 25 — Shoulders, Traps & Abs
Day 26 — Back & Biceps
Rest Day
Take this day to rest and recover. Your muscles grow during rest!
Rest Day
Take this day to rest and recover. Your muscles grow during rest!

















































































