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Matrix Master
IntermediateFree

Matrix Master

Lighter weights, high reps, ruthless partials—engineered tension, savage pumps, extreme time-under-tension, and smarter muscle growth.

James M
James M· Dec 2025
1athletes running this program
iOS & Android

Overview

Length
12 weeks
Days / week
4 days
Level
Intermediate
Goal
Women's
Equipment
Full Gym
Session length
50 min
Matrix Master is a 12-week resistance training system designed to turn light to moderate weights into maximum muscular stimulus through precision, structure, and relentless time under tension. This is not a “lift heavier every week” program. Instead, Matrix Master focuses on how you lift, using high reps, strategic partials, ladders, alternates, and isometrics to keep constant tension on the muscle and drive extreme pumps with reduced joint stress. At the core of the system is a structured partial-rep methodology that extends every set far beyond traditional straight sets. By working both the top and bottom halves of each movement, Matrix Master targets weak points, improves muscular control, and increases fibre recruitment without relying on maximal loads. While the partial patterns may look complex on paper, they are simple in practice. Within the first few workouts, the rhythm becomes intuitive and the focus shifts from counting reps to controlling the muscle. The 12-week rotating split changes muscle pairings each week to increase training frequency, avoid overuse, and keep the program mentally engaging. No two weeks feel the same, but every muscle group is trained consistently, with frequent ab work to build endurance and control under fatigue. Matrix Master is ideal for lifters chasing hypertrophy, intense pumps, and muscle density without joint punishment. The goal is simple: build muscle through intelligent intensity, not reckless loading — and prove just how powerful light weights can be.

Who it's for

Intermediate athletes ready for a structured program
Athletes focused on women's
Athletes who can train 4 days per week
Athletes with access to a full gym (barbells, dumbbells, cables, and machines)

Muscle engagement

Front
Back
Triceps
17.8%
Front Delts
13.4%
Upper Back
12%
Biceps
10.1%
Lats
8.7%
Chest
8.4%
Hamstrings
6.9%
Quadriceps
6.1%
Middle Delts
5.7%
Glutes
3.9%
Forearms
2.9%
Abductors
2%
Abs
1.4%
Rear Delts
0.7%
Week 1 Workouts
#ExerciseSetsReps
1Bench Press (Barbell)120 reps
2Incline Bench Press (Barbell)120 reps
3Bench Press (Barbell)120 reps
4Incline Chest Fly (Dumbbell)120 reps
5Pec Deck (Machine)120 reps
6Bench Press (Barbell)120 reps
7Standing Behind Neck Shoulder Press (Barbell)120 reps
8Overhead Press (Barbell)122 reps
9Standing Behind Neck Shoulder Press (Barbell)135 reps
10Overhead Press (Barbell)130 reps
11Lateral Raise (Dumbbell)120 reps
12Front Raise120 reps
13Front Raise130 reps
#ExerciseSetsReps
1Bicep Curl (Barbell)120 reps
2Preacher Curl (EZ Bar)130 reps
3Bicep Curl (Barbell)122 reps
4Preacher Curl (EZ Bar)135 reps
5Incline Curl (Dumbbell)122 reps
6Incline Curl (Dumbbell)130 reps
7Lying Tricep Extension (Barbell)120 reps
8Tricep Extension (Machine)122 reps
9Lying Tricep Extension (Barbell)122 reps
10Tricep Extension (Machine)130 reps
11Tricep Pushdown (Cable)135 reps
12Tricep Pushdown (Cable)120 reps
13Tricep Pushdown (Cable)120 reps
14Tricep Pushdown (Cable)120 reps
#ExerciseSetsReps
1Leg Press120 reps
2Leg Press122 reps
3Leg Press120 reps
4Leg Press122 reps
5Leg Curl120 reps
6Leg Extension122 reps
7Leg Curl122 reps
8Leg Extension120 reps
9Lat Pulldown120 reps
10Bent Over Row (Barbell)122 reps
11Chin-Up (Bodyweight)112 reps
12Chin-Up (Bodyweight)110 reps
13Lat Pulldown130 reps
14Bent Over Row (Barbell)135 reps
15Lat Pulldown120 reps
#ExerciseSetsReps
1Lying Tricep Extension (Barbell)120 reps
2Tricep Extension (Machine)122 reps
3Lying Tricep Extension (Barbell)122 reps
4Tricep Extension (Machine)130 reps
5Tricep Pushdown (Cable)135 reps
6Tricep Pushdown (Cable)120 reps
7Tricep Pushdown (Cable)120 reps
8Tricep Pushdown (Cable)120 reps
9Bench Press (Barbell)120 reps
10Incline Bench Press (Barbell)120 reps
11Bench Press (Barbell)120 reps
12Incline Chest Fly (Dumbbell)120 reps
13Pec Deck (Machine)120 reps
14Bench Press (Barbell)120 reps

Weeks 2–12 are in the app

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

Common questions

Yes, Matrix Master is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 12 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 50 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.

Matrix Master is structured around 4 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 12 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

Matrix Master 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
11,000+ free programsStrength, hypertrophy, powerlifting and more, from elite coaches. All free.
Auto-progressionWeights and targets update automatically based on how you perform.
Coaching notesBuilt-in cues from the creator inside every workout session.
Progress trackingLog every set and see your strength gains over weeks and months.
Advanced analyticsTrack volume, intensity, and 1RM trends to see exactly how your training is evolving.
Free on iOS & Android