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Tenbux4
IntermediateFree

Tenbux4

Jared Tuttle
Jared Tuttle· Aug 2025
1athletes running this program
Free on iOS & Android

Overview

Length
8 weeks
Days / week
4 days
Level
Intermediate
Goal
Muscle
Equipment
Full Gym
Session length
80 min
Dollars

Who it's for

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

Muscle engagement

Front
Back
Hamstrings
12.5%
Quadriceps
12.5%
Upper Back
10.4%
Chest
8.3%
Front Delts
8.3%
Triceps
8.3%
Lats
8.3%
Biceps
8.3%
Glutes
8.3%
Middle Delts
6.3%
Forearms
2.1%
Rear Delts
2.1%
Lower Back
2.1%
Abs
2.1%
Week 1 Workouts
#ExerciseSetsRepsLoad
1Incline Bench Press (Dumbbell)36–8 reps@9
2Bent Over Row (Dumbbell)38–12 reps@9
3Chest Fly (Dumbbell)38–12 reps@9
4Incline Curl (Dumbbell)38–12 reps@9
5Lateral Raise (Cable)310–15 reps@9
6Overhead Tricep Extension (Cable)38–12 reps@9
#ExerciseSetsRepsLoad
1Chin-Up (Assisted)38–12 reps@9
2Seated Hamstring Curl38–12 reps@9
3Pendulum Squat36–8 reps@9
4Romanian Deadlift (Barbell)36–8 reps@9
5Leg Extension38–12 reps@9
#ExerciseSetsRepsLoad
1Incline Bench Press (Dumbbell)36–8 reps@9
2Bent Over Row (Dumbbell)38–12 reps@9
3Chest Fly (Dumbbell)38–12 reps@9
4Incline Curl (Dumbbell)38–12 reps@9
5Lateral Raise (Cable)310–15 reps@9
6Overhead Tricep Extension (Cable)38–12 reps@9
#ExerciseSetsRepsLoad
1Chin-Up (Assisted)38–12 reps@9
2Seated Hamstring Curl38–12 reps@9
3Pendulum Squat36–8 reps@9
4Romanian Deadlift (Barbell)36–8 reps@9
5Leg Extension38–12 reps@9

Weeks 2–8 are in the app

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

Common questions

Yes, Tenbux4 is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 8 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 80 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.

Tenbux4 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 8 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

Tenbux4 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.
Progress trackingSee your strength gains over weeks and months with built-in analytics.
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