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Karen's 4 day upper lower program hee hee
IntermediateFree

Karen's 4 day upper lower program hee hee

Overall muscle building program

Harrison V.
Harrison V.· Apr 2025
iOS & Android

Overview

Length
18 weeks
Days / week
4 days
Level
Intermediate
Goal
Muscle, Women's
Equipment
Full Gym
Session length
100 min
Upper lower

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
Glutes
12.8%
Upper Back
11.6%
Hamstrings
10.5%
Quadriceps
10%
Lats
8.1%
Chest
7.1%
Abs
7.1%
Triceps
6.7%
Biceps
5.2%
Front Delts
3.8%
Adductors
3.3%
Lower Back
3.3%
Rear Delts
3.2%
Abductors
2.9%
Calves
2.4%
Middle Delts
1.6%
Forearms
0.5%
Week 1 Workouts
#ExerciseSetsRepsLoad
1Squat (Barbell)18 reps@7.5
18 reps@8
18 reps@8.5
2Hack Squat212 reps@8
112 reps@8.5
3Leg Extension315 reps@8.5
4Hip Adductor (Machine)315 reps@8.5
5Standing Calf Raise315 reps@8.5
#ExerciseSetsRepsLoad
1Bench Press (Barbell)35 reps@8.5
2Incline Chest Press (Machine)312 reps@8.5
3Seated Row (Cable)312 reps@8.5
4Single Arm Iso Row312 reps@9
5V-Handle Tricep Pushdown (Cable)315 reps@8.5
6Bicep Curl (EZ Bar)315 reps@8
#ExerciseSetsRepsLoad
1Romanian Deadlift (Barbell)310 reps@9
2Hip Thrust (Machine)315 reps@9
3Leg Press (45 Degrees)315 reps@8.5
4Leg Curl312 reps@8.5
5Hip Abductor (Machine)312 reps@8.5
6Glute Kickback (Cable)312 reps@8.5
#ExerciseSetsRepsLoad
1Wide Grip Lat Pulldown312 reps@8.5
2High Row312 reps@8.5
3Incline Bench Press (Dumbbell)312 reps@8.5
4Chest Supported Dumbbell Lateral Raises215 reps@8
5Rear Delt Fly (Machine)215 reps@8
6Decline Crunch315 reps@8.5
7Leg Raise (Captain's Chair)315 reps@8.5

Weeks 2–18 are in the app

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

Common questions

Yes, Karen's 4 day upper lower program hee hee is completely free to follow on Boostcamp. Download the app on iOS or Android, find the program, and start your first workout immediately. All 18 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 100 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.

Karen's 4 day upper lower program hee hee 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 18 weeks. The structure is designed so that each week builds on the last, with weights, volume, or intensity progressively increasing as you go.

Karen's 4 day upper lower program hee hee 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
1,000+ 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.
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