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BoostcampPNG
CORE 3
Beginner–IntermediateFree

CORE 3

Effektivt og enkelt program med tre økter i uken.

PT Truls
PT Truls· Nov 2025
3athletes running this program
Free on iOS & Android

Overview

Length
9 weeks
Days / week
3 days
Level
Beginner, Intermediate
Goal
Women's, Muscle, Bodyweight Fitness
Equipment
Full Gym
Session length
60 min
Programmet er laget for deg som vil ha litt mer volum og fokus på hver kroppsdel, samt mer tid i uka til å være på gymmet. Start uken med helkropp, deretter overkropp og underkropp. Ha minst en hviledag mellom hver økt. Struktur: • Uke 1–4: Teknikk. Fokuser på flyt, bevegelse og kontroll. • Uke 5–8: Styrke og intensitet. Tyngre vekter og mer kraft. • Uke 9: Deload og restitusjon. Lett uke for å la kroppen hente seg inn og bygge videre. Oppvarming: Start økten med generell oppvarming i 10 minutter, f.eks. romaskin, SkiiERG eller tredemølle. For øvelser med 3 sett: første sett er oppvarming. For øvelser med 4 sett: de to første settene er oppvarming. Målet er å gjøre kroppen klar uten å tømme den før hovedsettene. Trening skal gi kraft, ikke tappe den. Gi alt innenfor rammen av kontroll, og bygg styrke som varer. Lykke til med treningen! – PT Truls

Who it's for

Beginners new to structured strength training
Athletes focused on building muscle size
Athletes who can train 3 days per week
Athletes with access to a full gym (barbells, dumbbells, cables, and machines)

Muscle engagement

Front
Back
Hamstrings
11.6%
Glutes
11.5%
Quadriceps
10.6%
Triceps
10%
Lats
9.8%
Upper Back
9.8%
Front Delts
8%
Biceps
6.9%
Chest
5.7%
Lower Back
4.8%
Abs
4%
Middle Delts
2.3%
Forearms
2%
Adductors
1.5%
Calves
1.3%
Week 1 Workouts
#ExerciseSetsRepsLoad
1Deadlift (Barbell)18–10 reps@5
18–10 reps@6
16–8 reps@8
14–6 reps@9
2Bulgarian Split Squat (Dumbbell)110–12 reps@6
26–10 reps@9
3Lat Pulldown110–12 reps@5
110–12 reps@7
26–10 reps@9
4Bench Press (Dumbbell)18–10 reps@5
18–10 reps@6
26–8 reps@9
5Leg Extension110–15 reps@6
28–10 reps@9
#ExerciseSetsRepsLoad
1Lat Pulldown (Close Grip)110–12 reps@5
110–12 reps@6
26–10 reps@9
2Incline Bench Press (Dumbbell)18–10 reps@5
18–10 reps@6
26–8 reps@9
3Bent Over Row (Barbell)18–10 reps@6
26–10 reps@9
4Seated Shoulder Press (Dumbbell)18–10 reps@6
26–8 reps@9
5Single Arm Row (Dumbbell)210–12 reps@8
Superset
6ASkull Crusher (Dumbbell)110–15 reps@6
26–10 reps@9
6BBicep Curl (Dumbbell)110–15 reps@6
26–10 reps@9
#ExerciseSetsRepsLoad
1Back Extension (Weighted)110–15 reps@6
28–10 reps@9
2Leg Curl110–12 reps@6
28–10 reps@9
3Squat (Barbell)18–10 reps@5
18–10 reps@6
26–8 reps@9
4Hip Thrust (Barbell)110–15 reps@6
28–10 reps@9
5Cable Hip Abduction110–15 reps@6
28–10 reps@9
6Standing Calf Raise28–10 reps@9

Weeks 2–9 are in the app

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

Common questions

Yes, CORE 3 is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 9 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 60 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.

CORE 3 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 9 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

CORE 3 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

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