Strong Lines

by Michael F.

Program Description

Strong Lines is a structured hypertrophy program designed to build visible muscle definition, balanced strength, and long-term joint health. This program prioritizes shape and structure over exhaustion, using intelligent exercise sequencing, controlled volume, and mandatory progression to drive results. The training week is organized around four focused sessions, each with a clear purpose: Day 1 – Legs: Quad-dominant lower body training with balanced hamstring and glute work to improve leg shape, strength, and symmetry. Day 2 – Chest & Shoulders: Upper-body pressing with strategic warm-up activation to improve muscle engagement while protecting shoulders and elbows. Day 3 – Back: Lat width, mid-back thickness, traps, and rear delts, using a lat-first sequencing strategy for better mind–muscle connection and posture. Day 4 – Arms & Shoulders: A high-quality “bro-style” session focused on arm definition, capped delts, and shoulder balance without compromising recovery. Warm-up “primer” movements (such as cable pushdowns, flyes, or straight-arm pulldowns) are intentionally included to increase muscle activation and joint readiness, not to pre-fatigue or limit performance on compound lifts. Volume is controlled, recovery is respected, and every exercise has a clear role. This is a program built for natural lifters who want results they can sustain. Progression Requirement: Double Progression (Mandatory) All working sets in this program follow double progression. This is not optional. Double progression ensures steady muscle growth without chasing weight too aggressively or stalling long-term progress. What Is Double Progression? Each exercise is assigned a rep range (for example, 8–12 reps). Progression happens in two steps: 1. First, increase reps Start with a weight you can control at the low end of the rep range. Across workouts, aim to add reps while keeping the weight the same. 2. Then, increase load Once you can complete all prescribed sets at the top of the rep range, increase the weight slightly. Reps will drop back toward the lower end of the range. Repeat the process. Example Incline Bench Press (3 sets, 8–12 reps): Week 1: 3×8 @ 95 lb Week 2: 3×9–10 @ 95 lb Week 3: 3×12 @ 95 lb Week 4: Increase to 100 lb → 3×8 Rules for Double Progression Use the same load for all working sets Maintain proper form on every rep Only increase weight when the top of the rep range is earned Progression may take multiple weeks — that is expected and encouraged. Why This Matters Double progression: Encourages consistent overload without rushing Reduces injury risk Works exceptionally well for natural lifters Aligns strength gains with hypertrophy Keeps training productive even when progress slows If reps stall, hold the weight steady and keep training. Strength will catch up.

Program Overview

  • Level
    Intermediate
  • Goal
    Bodybuilding, Muscle & Sculpting
  • Equipment
    Full Gym
  • Program Length
    8 weeks
  • Time Per Workout
    90 minutes
  • Created
    Dec 18, 2025 01:37
  • Last Edited
    Dec 18, 2025 11:09
Muscle Engagement
Front
Back
MuscleSet
Triceps
11.5%
Front Delts
9.8%
Abs
9.1%
Middle Delts
9%
Rear Delts
9%
Upper Back
8.2%
Hamstrings
7.9%
Quadriceps
7%
Glutes
7%
Lats
6.5%
Chest
4.9%
Biceps
4.9%
Forearms
1.6%
Lower Back
1.6%
Adductors
1.1%
Abductors
0.8%
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START THE PROGRAM
ON THE BOOSTCAMP APP FOR FREE
Scan QR Code to Download
AppleStore
GooglePlay
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4.8 Stars with 10, 000+ Ratings
WEEK 1
WEEK 2
WEEK 3
WEEK 4
WEEK 5
WEEK 6
WEEK 7
WEEK 8
Day 1
#
Exercise
Sets
Reps
Intensity
1
Leg Extension
3
15-20 reps
-
2
Seated Hamstring Curl
3
15-20 reps
-
3
Squat (Smith Machine)
4
8-12 reps
-
4
Romanian Deadlift (Barbell)
3
8-12 reps
-
5
Leg Press
3
10-15 reps
-
6
Hip Thrust (Machine)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 1
#
Exercise
Sets
Reps
Intensity
1
Leg Extension
3
15-20 reps
-
2
Seated Hamstring Curl
3
15-20 reps
-
3
Squat (Smith Machine)
4
8-12 reps
-
4
Romanian Deadlift (Barbell)
3
8-12 reps
-
5
Leg Press
3
10-15 reps
-
6
Hip Thrust (Machine)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 1
#
Exercise
Sets
Reps
Intensity
1
Leg Extension
3
15-20 reps
-
2
Seated Hamstring Curl
3
15-20 reps
-
3
Squat (Smith Machine)
4
8-12 reps
-
4
Romanian Deadlift (Barbell)
3
8-12 reps
-
5
Leg Press
3
10-15 reps
-
6
Hip Thrust (Machine)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 1
#
Exercise
Sets
Reps
Intensity
1
Leg Extension
3
15-20 reps
-
2
Seated Hamstring Curl
3
15-20 reps
-
3
Squat (Smith Machine)
4
8-12 reps
-
4
Romanian Deadlift (Barbell)
3
8-12 reps
-
5
Leg Press
3
10-15 reps
-
6
Hip Thrust (Machine)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 1
#
Exercise
Sets
Reps
Intensity
1
Leg Extension
2
15-20 reps
-
2
Seated Hamstring Curl
2
15-20 reps
-
3
Squat (Smith Machine)
2
8-12 reps
-
4
Romanian Deadlift (Barbell)
2
8-12 reps
-
5
Leg Press
2
10-15 reps
-
6
Hip Thrust (Machine)
2
8-12 reps
-
7
Abs Crunch (Machine)
2
10-15 reps
-
Day 1
#
Exercise
Sets
Reps
Intensity
1
Leg Extension
3
15-20 reps
-
2
Seated Hamstring Curl
3
15-20 reps
-
3
Squat (Smith Machine)
4
8-12 reps
-
4
Romanian Deadlift (Barbell)
3
8-12 reps
-
5
Leg Press
3
10-15 reps
-
6
Hip Thrust (Machine)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 1
#
Exercise
Sets
Reps
Intensity
1
Leg Extension
3
15-20 reps
-
2
Seated Hamstring Curl
3
15-20 reps
-
3
Squat (Smith Machine)
4
8-12 reps
-
4
Romanian Deadlift (Barbell)
3
8-12 reps
-
5
Leg Press
3
10-15 reps
-
6
Hip Thrust (Machine)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 1
#
Exercise
Sets
Reps
Intensity
1
Leg Extension
3
15-20 reps
-
2
Seated Hamstring Curl
3
15-20 reps
-
3
Squat (Smith Machine)
4
8-12 reps
-
4
Romanian Deadlift (Barbell)
3
8-12 reps
-
5
Leg Press
3
10-15 reps
-
6
Hip Thrust (Machine)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 2
#
Exercise
Sets
Reps
Intensity
1
Tricep Pushdown (Cable)
3
10-15 reps
-
2
Lu Raise
3
10-15 reps
-
3
Pec Fly (Dumbbell)
3
10-15 reps
-
4
Incline Bench Press (Smith Machine)
3
8-12 reps
-
5
Smith Decline Bench Press
3
8-12 reps
-
6
Lateral Raise (Cable)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 2
#
Exercise
Sets
Reps
Intensity
1
Tricep Pushdown (Cable)
3
10-15 reps
-
2
Lu Raise
3
10-15 reps
-
3
Pec Fly (Dumbbell)
3
10-15 reps
-
4
Incline Bench Press (Smith Machine)
3
8-12 reps
-
5
Smith Decline Bench Press
3
8-12 reps
-
6
Lateral Raise (Cable)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 2
#
Exercise
Sets
Reps
Intensity
1
Tricep Pushdown (Cable)
3
10-15 reps
-
2
Lu Raise
3
10-15 reps
-
3
Pec Fly (Dumbbell)
3
10-15 reps
-
4
Incline Bench Press (Smith Machine)
3
8-12 reps
-
5
Smith Decline Bench Press
3
8-12 reps
-
6
Lateral Raise (Cable)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 2
#
Exercise
Sets
Reps
Intensity
1
Tricep Pushdown (Cable)
3
10-15 reps
-
2
Lu Raise
3
10-15 reps
-
3
Pec Fly (Dumbbell)
3
10-15 reps
-
4
Incline Bench Press (Smith Machine)
3
8-12 reps
-
5
Smith Decline Bench Press
3
8-12 reps
-
6
Lateral Raise (Cable)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 2
#
Exercise
Sets
Reps
Intensity
1
Tricep Pushdown (Cable)
2
10-15 reps
-
2
Lu Raise
2
10-15 reps
-
3
Pec Fly (Dumbbell)
2
10-15 reps
-
4
Incline Bench Press (Smith Machine)
2
8-12 reps
-
5
Smith Decline Bench Press
2
8-12 reps
-
6
Lateral Raise (Cable)
2
8-12 reps
-
7
Abs Crunch (Machine)
2
10-15 reps
-
Day 2
#
Exercise
Sets
Reps
Intensity
1
Tricep Pushdown (Cable)
3
10-15 reps
-
2
Lu Raise
3
10-15 reps
-
3
Pec Fly (Dumbbell)
3
10-15 reps
-
4
Incline Bench Press (Smith Machine)
3
8-12 reps
-
5
Smith Decline Bench Press
3
8-12 reps
-
6
Lateral Raise (Cable)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 2
#
Exercise
Sets
Reps
Intensity
1
Tricep Pushdown (Cable)
3
10-15 reps
-
2
Lu Raise
3
10-15 reps
-
3
Pec Fly (Dumbbell)
3
10-15 reps
-
4
Incline Bench Press (Smith Machine)
3
8-12 reps
-
5
Smith Decline Bench Press
3
8-12 reps
-
6
Lateral Raise (Cable)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 2
#
Exercise
Sets
Reps
Intensity
1
Tricep Pushdown (Cable)
3
10-15 reps
-
2
Lu Raise
3
10-15 reps
-
3
Pec Fly (Dumbbell)
3
10-15 reps
-
4
Incline Bench Press (Smith Machine)
3
8-12 reps
-
5
Smith Decline Bench Press
3
8-12 reps
-
6
Lateral Raise (Cable)
3
8-12 reps
-
7
Abs Crunch (Machine)
4
10-15 reps
-
Day 3
#
Exercise
Sets
Reps
Intensity
1
Straight Arm Pulldown
3
10-15 reps
-
2
Lat Pulldown (Neutral Grip)
3
8-12 reps
-
3A
Smith Machine Row
3
8-12 reps
-
3B
Smith Machine Shrugs
3
8-12 reps
-
4
High Row
3
8-12 reps
-
5
Chest Supported Row (Machine)
3
8-12 reps
-
6
Reverse Pec Deck
3
10-15 reps
-
Day 3
#
Exercise
Sets
Reps
Intensity
1
Straight Arm Pulldown
3
10-15 reps
-
2
Lat Pulldown (Neutral Grip)
3
8-12 reps
-
3A
Smith Machine Row
3
8-12 reps
-
3B
Smith Machine Shrugs
3
8-12 reps
-
4
High Row
3
8-12 reps
-
5
Chest Supported Row (Machine)
3
8-12 reps
-
6
Reverse Pec Deck
3
10-15 reps
-
Day 3
#
Exercise
Sets
Reps
Intensity
1
Straight Arm Pulldown
3
10-15 reps
-
2
Lat Pulldown (Neutral Grip)
3
8-12 reps
-
3A
Smith Machine Row
3
8-12 reps
-
3B
Smith Machine Shrugs
3
8-12 reps
-
4
High Row
3
8-12 reps
-
5
Chest Supported Row (Machine)
3
8-12 reps
-
6
Reverse Pec Deck
3
10-15 reps
-
Day 3
#
Exercise
Sets
Reps
Intensity
1
Straight Arm Pulldown
3
10-15 reps
-
2
Lat Pulldown (Neutral Grip)
3
8-12 reps
-
3A
Smith Machine Row
3
8-12 reps
-
3B
Smith Machine Shrugs
3
8-12 reps
-
4
High Row
3
8-12 reps
-
5
Chest Supported Row (Machine)
3
8-12 reps
-
6
Reverse Pec Deck
3
10-15 reps
-
Day 3
#
Exercise
Sets
Reps
Intensity
1
Straight Arm Pulldown
2
10-15 reps
-
2
Lat Pulldown (Neutral Grip)
2
8-12 reps
-
3A
Smith Machine Row
2
8-12 reps
-
3B
Smith Machine Shrugs
2
8-12 reps
-
4
High Row
2
8-12 reps
-
5
Chest Supported Row (Machine)
2
8-12 reps
-
6
Reverse Pec Deck
2
10-15 reps
-
Day 3
#
Exercise
Sets
Reps
Intensity
1
Straight Arm Pulldown
3
10-15 reps
-
2
Lat Pulldown (Neutral Grip)
3
8-12 reps
-
3A
Smith Machine Row
3
8-12 reps
-
3B
Smith Machine Shrugs
3
8-12 reps
-
4
High Row
3
8-12 reps
-
5
Chest Supported Row (Machine)
3
8-12 reps
-
6
Reverse Pec Deck
3
10-15 reps
-
Day 3
#
Exercise
Sets
Reps
Intensity
1
Straight Arm Pulldown
3
10-15 reps
-
2
Lat Pulldown (Neutral Grip)
3
8-12 reps
-
3A
Smith Machine Row
3
8-12 reps
-
3B
Smith Machine Shrugs
3
8-12 reps
-
4
High Row
3
8-12 reps
-
5
Chest Supported Row (Machine)
3
8-12 reps
-
6
Reverse Pec Deck
3
10-15 reps
-
Day 3
#
Exercise
Sets
Reps
Intensity
1
Straight Arm Pulldown
3
10-15 reps
-
2
Lat Pulldown (Neutral Grip)
3
8-12 reps
-
3A
Smith Machine Row
3
8-12 reps
-
3B
Smith Machine Shrugs
3
8-12 reps
-
4
High Row
3
8-12 reps
-
5
Chest Supported Row (Machine)
3
8-12 reps
-
6
Reverse Pec Deck
3
10-15 reps
-
Day 4
#
Exercise
Sets
Reps
Intensity
1A
Tricep Pushdown (Cable)
3
10-15 reps
-
1B
Hammer Curl (Cable)
3
8-12 reps
-
2
Seated Shoulder Press (Dumbbell)
3
8-12 reps
-
3
Lu Raise
3
10-15 reps
-
4
Incline Curl (Dumbbell)
3
10-15 reps
-
5
Overhead Tricep Extension (Cable)
3
8-12 reps
-
6
Y Raise (Dumbbell)
3
10-15 reps
-
7
Single Arm Rear Delt Cable Fly
3
10-15 reps
-
8
Abs Crunch (Machine)
4
10-15 reps
-
Day 4
#
Exercise
Sets
Reps
Intensity
1A
Tricep Pushdown (Cable)
3
10-15 reps
-
1B
Hammer Curl (Cable)
3
8-12 reps
-
2
Seated Shoulder Press (Dumbbell)
3
8-12 reps
-
3
Lu Raise
3
10-15 reps
-
4
Incline Curl (Dumbbell)
3
10-15 reps
-
5
Overhead Tricep Extension (Cable)
3
8-12 reps
-
6
Y Raise (Dumbbell)
3
10-15 reps
-
7
Single Arm Rear Delt Cable Fly
3
10-15 reps
-
8
Abs Crunch (Machine)
4
10-15 reps
-
Day 4
#
Exercise
Sets
Reps
Intensity
1A
Tricep Pushdown (Cable)
3
10-15 reps
-
1B
Hammer Curl (Cable)
3
8-12 reps
-
2
Seated Shoulder Press (Dumbbell)
3
8-12 reps
-
3
Lu Raise
3
10-15 reps
-
4
Incline Curl (Dumbbell)
3
10-15 reps
-
5
Overhead Tricep Extension (Cable)
3
8-12 reps
-
6
Y Raise (Dumbbell)
3
10-15 reps
-
7
Single Arm Rear Delt Cable Fly
3
10-15 reps
-
8
Abs Crunch (Machine)
4
10-15 reps
-
Day 4
#
Exercise
Sets
Reps
Intensity
1A
Tricep Pushdown (Cable)
3
10-15 reps
-
1B
Hammer Curl (Cable)
3
8-12 reps
-
2
Seated Shoulder Press (Dumbbell)
3
8-12 reps
-
3
Lu Raise
3
10-15 reps
-
4
Incline Curl (Dumbbell)
3
10-15 reps
-
5
Overhead Tricep Extension (Cable)
3
8-12 reps
-
6
Y Raise (Dumbbell)
3
10-15 reps
-
7
Single Arm Rear Delt Cable Fly
3
10-15 reps
-
8
Abs Crunch (Machine)
4
10-15 reps
-
Day 4
#
Exercise
Sets
Reps
Intensity
1A
Tricep Pushdown (Cable)
2
10-15 reps
-
1B
Hammer Curl (Cable)
2
8-12 reps
-
2
Seated Shoulder Press (Dumbbell)
2
8-12 reps
-
3
Lu Raise
2
10-15 reps
-
4
Incline Curl (Dumbbell)
2
10-15 reps
-
5
Overhead Tricep Extension (Cable)
2
8-12 reps
-
6
Y Raise (Dumbbell)
2
10-15 reps
-
7
Single Arm Rear Delt Cable Fly
2
10-15 reps
-
8
Abs Crunch (Machine)
2
10-15 reps
-
Day 4
#
Exercise
Sets
Reps
Intensity
1A
Tricep Pushdown (Cable)
3
10-15 reps
-
1B
Hammer Curl (Cable)
3
8-12 reps
-
2
Seated Shoulder Press (Dumbbell)
3
8-12 reps
-
3
Lu Raise
3
10-15 reps
-
4
Incline Curl (Dumbbell)
3
10-15 reps
-
5
Overhead Tricep Extension (Cable)
3
8-12 reps
-
6
Y Raise (Dumbbell)
3
10-15 reps
-
7
Single Arm Rear Delt Cable Fly
3
10-15 reps
-
8
Abs Crunch (Machine)
4
10-15 reps
-
Day 4
#
Exercise
Sets
Reps
Intensity
1A
Tricep Pushdown (Cable)
3
10-15 reps
-
1B
Hammer Curl (Cable)
3
8-12 reps
-
2
Seated Shoulder Press (Dumbbell)
3
8-12 reps
-
3
Lu Raise
3
10-15 reps
-
4
Incline Curl (Dumbbell)
3
10-15 reps
-
5
Overhead Tricep Extension (Cable)
3
8-12 reps
-
6
Y Raise (Dumbbell)
3
10-15 reps
-
7
Single Arm Rear Delt Cable Fly
3
10-15 reps
-
8
Abs Crunch (Machine)
4
10-15 reps
-
Day 4
#
Exercise
Sets
Reps
Intensity
1A
Tricep Pushdown (Cable)
3
10-15 reps
-
1B
Hammer Curl (Cable)
3
8-12 reps
-
2
Seated Shoulder Press (Dumbbell)
3
8-12 reps
-
3
Lu Raise
3
10-15 reps
-
4
Incline Curl (Dumbbell)
3
10-15 reps
-
5
Overhead Tricep Extension (Cable)
3
8-12 reps
-
6
Y Raise (Dumbbell)
3
10-15 reps
-
7
Single Arm Rear Delt Cable Fly
3
10-15 reps
-
8
Abs Crunch (Machine)
4
10-15 reps
-
Week 1
1 / 8 Weeks
Day 2
1
Tricep Pushdown (Cable)
3 Sets
10-15 Reps
-
2
Lu Raise
3 Sets
10-15 Reps
-
3
Pec Fly (Dumbbell)
3 Sets
10-15 Reps
-
4
Incline Bench Press (Smith Machine)
3 Sets
8-12 Reps
-
5
Smith Decline Bench Press
3 Sets
8-12 Reps
-
6
Lateral Raise (Cable)
3 Sets
8-12 Reps
-
7
Abs Crunch (Machine)
4 Sets
10-15 Reps
-
Day 3
1
Straight Arm Pulldown
3 Sets
10-15 Reps
-
2
Lat Pulldown (Neutral Grip)
3 Sets
8-12 Reps
-
3A
Smith Machine Row
3 Sets
8-12 Reps
-
3B
Smith Machine Shrugs
3 Sets
8-12 Reps
-
4
High Row
3 Sets
8-12 Reps
-
5
Chest Supported Row (Machine)
3 Sets
8-12 Reps
-
6
Reverse Pec Deck
3 Sets
10-15 Reps
-
Day 4
1A
Tricep Pushdown (Cable)
3 Sets
10-15 Reps
-
1B
Hammer Curl (Cable)
3 Sets
8-12 Reps
-
2
Seated Shoulder Press (Dumbbell)
3 Sets
8-12 Reps
-
3
Lu Raise
3 Sets
10-15 Reps
-
4
Incline Curl (Dumbbell)
3 Sets
10-15 Reps
-
5
Overhead Tricep Extension (Cable)
3 Sets
8-12 Reps
-
6
Y Raise (Dumbbell)
3 Sets
10-15 Reps
-
7
Single Arm Rear Delt Cable Fly
3 Sets
10-15 Reps
-
8
Abs Crunch (Machine)
4 Sets
10-15 Reps
-
Day 1
1
Leg Extension
3 Sets
15-20 Reps
-
2
Seated Hamstring Curl
3 Sets
15-20 Reps
-
3
Squat (Smith Machine)
4 Sets
8-12 Reps
-
4
Romanian Deadlift (Barbell)
3 Sets
8-12 Reps
-
5
Leg Press
3 Sets
10-15 Reps
-
6
Hip Thrust (Machine)
3 Sets
8-12 Reps
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7
Abs Crunch (Machine)
4 Sets
10-15 Reps
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