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The powerbuilder (5/3/1)
Intermediate–AdvancedFree

The powerbuilder (5/3/1)

Designed for anyone from novice to advanced. Who wants an equal amount of strength training and muscle building.

Nosfy
Nosfy· Jan 2025
1athletes running this program
Free on iOS & Android

Overview

Length
4 weeks
Days / week
3 days
Level
Intermediate, Advanced
Goal
Muscle, Strength
Equipment
Full Gym
Session length
90 min
Supposed to make you strong on the main lift and provide enough growth in terms of muscle mass through accessories.

Who it's for

Athletes at the Intermediate–Advanced level
Athletes focused on gaining both size and strength
Athletes who can train 3 days per week
Athletes with access to a full gym (barbells, dumbbells, cables, and machines)

Muscle engagement

Front
Back
Upper Back
13.3%
Quadriceps
12.3%
Chest
11.9%
Triceps
10.7%
Lats
8.5%
Biceps
8%
Front Delts
7.8%
Hamstrings
6.7%
Glutes
6.1%
Middle Delts
4.5%
Abs
4.2%
Rear Delts
2.3%
Adductors
1.7%
Lower Back
1.2%
Forearms
0.9%
Week 1 Workouts
#ExerciseSetsRepsLoad
1Squat (Barbell)15 reps65%
15 reps75%
15 reps85%
115 reps65%
2Chest Press (Machine)310 reps
3Seated Shoulder Press (Dumbbell)310 reps
4Seated Row (Cable)410 reps
5Preacher Curl (Dumbbell)310 reps
6Lunge (Dumbbell)310 reps
7Shrug (Dumbbell)210 reps
8Abs Crunch (Machine)210–15 reps
#ExerciseSetsRepsLoad
1Pull-Up (Neutral Grip, Bodyweight)4AMRAP
2Bench Press (Barbell)15 reps65%
15 reps75%
15 reps85%
115 reps65%
3Pec Deck (Machine)310 reps
4Leg Extension310 reps
5Lying Leg Curl310 reps
6Lateral Raise (Cable)310 reps
7Tricep Extension (Cable)310 reps
8Wood Chop210 reps
#ExerciseSetsRepsLoad
1Lat Pulldown410 reps
2Deadlift (Barbell)15 reps65%
15 reps75%
15 reps85%
18 reps65%
3Incline Bench Press (Smith Machine)410 reps
4Face Pull310 reps
5Leg Extension310 reps
6Bicep Curl (EZ Bar)310 reps
7Dip (Bodyweight)310 reps
8Shrug (Dumbbell)310 reps

Weeks 2–4 are in the app

Download Boostcamp to follow the full program with auto-progression and built-in coaching notes.

Common questions

Yes, The powerbuilder (5/3/1) is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 4 weeks are fully unlocked.

This program is built around a full gym. Make sure you have consistent access before starting, since the progression model assumes you can perform the same movements week over week.

Each session typically takes around 90 minutes to complete. That estimate covers your working sets but doesn't account for warm-up or rest between sets, so budget a little extra time when you're first learning the movements.

The powerbuilder (5/3/1) is structured around 3 training days per week, with rest days built in to allow for recovery. The Boostcamp app lets you reschedule sessions if your week doesn't go to plan.

The program runs for 4 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

The powerbuilder (5/3/1) is available inside the Boostcamp app, free on iOS and Android. Once you download the app, you can search for the program by name. The app tracks all your sets and weights automatically, so you always know exactly what to do next session.

Get started

Boostcamp app
Auto-progressionWeights and targets update automatically based on how you perform.
Training logLog every set and track your weights automatically each session.
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