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Push Pull Legs + Core/Cardio: 6‑Month Muscle Program (4 Days/Week)

By Will Duru, BSc (Hons) Sport and Exercise Science | Award‑winning Personal Trainer

You want a simple plan that works. Four days a week. Clear structure. Real results.

This 6‑month program blends dumbbells, barbells, TRX, machines, kettlebells, sledge pushes, skipping rope, box jumps, and battle ropes. It follows a Push-Pull Legs split with a dedicated Core and Conditioning day. Every workout has 5 to 6 exercises. Each uses 4 to 5 sets and 10 to 12 reps. You will cycle through four phases to keep progress moving and fatigue in check.

I built this framework for clients like Mustafa King and Marika. Both wanted to build muscle and lose body fat. They also needed something they could follow without second‑guessing each session. This is the same structure I use in the 12REPS app.

Why the 12Reps App Will Help You Build Muscle at the Gym or at Home

Program Rules

  • Train 4 days per week: Push, Pull, Legs, Core and Conditioning.
    • Use 4 to 5 sets and 10 to 12 reps on most lifts unless stated.
    • Rest 60 to 90 seconds between sets unless stated.
    • Choose a load that reaches 1 to 2 reps in reserve by the final set.
    • Track your loads, reps, rest, and total volume each week.
    • Small weekly increases beat random maxing.

Progressive Overload

Progress comes from doing a little more over time. Add weight when you can hold form. Add reps within the target range before you add load. Shorten rest on accessories if volume is already high. Rotate variations across phases to keep joints fresh and the stimulus high. Aim to improve either load or reps on at least two lifts each week.

How the 12REPS App Helps

Use the 12REPS strength training app to advance faster:
• It builds your plan from your goal, schedule, and equipment.
• It acts as a workout tracker so you log sets, reps, load, and rest.
• It shows your progress, tracks volume lifted, and estimates your 1RM.
• It adjusts suggestions as you get stronger.
• It keeps your program simple so you stay consistent.

Download the 12REPS app on iOS or Android and set your goal to build muscle and lose fat.

Nutrition Basics: Protein, Carbs, Fat

Muscle gain and fat loss need the right intake.
• Protein: 1.6 to 2.2 g per kg body weight per day. Spread across 3 to 5 meals.
• Carbohydrate: Centre most carbs around training to fuel performance and recovery.
• Fat: 0.6 to 1.0 g per kg body weight per day for hormones and satiety.
• Calories: Small surplus for pure muscle gain. Small deficit for fat loss. If you want both, start near maintenance and push performance.
• Hydration: 30 to 40 ml per kg body weight per day.
• Fibre: 25 to 35 g per day from whole foods.

Phases and Structure

The program runs 24 weeks across four 6‑week phases.
• Phase 1 Weeks 1 to 6: Hypertrophy base. 10 to 12 reps. 60 to 90 s rest.
• Phase 2 Weeks 7 to 12: Hypertrophy plus strength. 8 to 12 reps. 60 to 120 s rest.
• Phase 3 Weeks 13 to 18: Strength bias with volume back‑off. 6 to 10 reps on primaries. 90 to 150 s rest.
• Phase 4 Weeks 19 to 24: High tension and metabolic finishers. 10 to 12 reps with intensifiers. 60 to 90 s rest.
Deload if needed in Week 7, 13, or 19 based on fatigue or if performance stalls.

Phase 1 • Weeks 1–6

 

Day 1 Push

Exercise

Sets

Reps

Rest

Load

Notes

Barbell Bench Press

4

10–12

90 s

65–72% 1RM

 

Seated DB Shoulder Press

4

10–12

90 s

RPE 7–8

 

Incline DB Flyes

4

12

60 s

RPE 7

Superset with Push‑ups

Push‑ups

4

AMRAP 8–15

60 s

Bodyweight

Superset

Cable Triceps Pressdown

4

12

60 s

RPE 8

 

Sled Push

4

20–30 m

90 s

Heavy

Conditioning finisher

 

Day 2 Pull

Exercise

Sets

Reps

Rest

Load

Notes

Lat Pulldown

4

10–12

90 s

RPE 8

 

One‑Arm DB Row

4

10–12

90 s

RPE 7–8

 

Seated Cable Row

4

10–12

75 s

RPE 8

 

Face Pull

4

12

60 s

RPE 7

Superset with DB Curl

DB Hammer Curl

4

10–12

60 s

RPE 8

Superset

Battle Rope

4

20–30 s

60 s

Conditioning finisher

 

Day 3 Legs

Exercise

Sets

Reps

Rest

Load

Notes

Back Squat

4

10

120 s

65–72% 1RM

 

DB Romanian Deadlift

4

10–12

90 s

RPE 7–8

 

Leg Press (Machine)

4

12

90 s

RPE 8

 

Walking Lunges DB

4

10–12 per leg

75 s

RPE 8

 

Standing Calf Raise

5

12

60 s

RPE 8

 

Box Jump

4

5

60 s

Bodyweight

Explosive warm‑up or finisher

 

Day 4 Core and Conditioning

Exercise

Sets

Reps

Rest

Load

Notes

TRX Fallout

4

10–12

60 s

Bodyweight

 

Hanging Knee Raise

4

10–12

60 s

Bodyweight

Superset with Cable Woodchop

Cable Woodchop

4

12 per side

60 s

RPE 7

Superset

Plank

4

45–60 s

45 s

Bodyweight

 

Skipping Rope

6

45 s work

30 s

Moderate pace

Phase 2 • Weeks 7–12

 

Day 1 Push

Exercise

Sets

Reps

Rest

Load

Notes

Incline Barbell Bench

5

8–10

120 s

70–77% 1RM

 

DB Flat Press

4

10–12

90 s

RPE 8

 

Arnold Press

4

10

90 s

RPE 8

 

Cable Chest Fly High to Low

4

12

60 s

RPE 8

Drop set last set

Overhead Cable Triceps Extension

4

10–12

60 s

RPE 8

Superset with Dips

Parallel Bar Dips

4

AMRAP 8–15

60 s

Bodyweight or assist

Superset

 

Day 2 Pull

Exercise

Sets

Reps

Rest

Load

Notes

Weighted Pull‑up or Assisted

5

6–8

120 s

RPE 8–9

 

T‑Bar Row or Chest‑Supported Row

4

8–10

120 s

RPE 8–9

 

Cable Pullover

4

12

75 s

RPE 8

 

Reverse Pec Deck

4

12

60 s

RPE 8

Superset with EZ‑Bar Curl

EZ‑Bar Curl

4

10–12

60 s

RPE 8

Superset

Battle Rope Alternating Waves

6

20 s

40 s

Power intervals

 

Day 3 Legs

Exercise

Sets

Reps

Rest

Load

Notes

Front Squat

5

6–8

150 s

72–80% 1RM

 

Romanian Deadlift Barbell

4

8–10

120 s

RPE 8

 

Leg Curl Machine

4

10–12

75 s

RPE 8

 

Bulgarian Split Squat DB

4

10 per leg

90 s

RPE 8

 

Seated Calf Raise

5

12

60 s

RPE 8

 

Box Jump

5

3

60 s

Bodyweight

Before squats as primer

 

Day 4 Core and Conditioning

Exercise

Sets

Reps

Rest

Load

Notes

TRX Body Saw

4

10–12

60 s

Bodyweight

 

Ab Wheel or Barbell Rollout

4

8–10

60–75 s

Bodyweight

 

Cable Pallof Press

4

12 per side

60 s

RPE 7

Superset with Farmer Carry

KB Farmer Carry

6

20–30 m

60 s

Heavy

Superset

Sled Push

6

20–40 m

90 s

Heavy

Power endurance

Skipping Rope

8

30 s work

30 s

Fast feet

Phase 3 • Weeks 13–18

 

Day 1 Push

Exercise

Sets

Reps

Rest

Load

Notes

Barbell Bench Press

5

5–8

150 s

75–85% 1RM

 

DB Incline Press

4

8–10

120 s

RPE 8–9

 

Machine Shoulder Press

4

10

90 s

RPE 8

 

Cable Fly Mid

4

12

60 s

RPE 8

Superset with Close‑Grip Push‑ups

Close‑Grip Push‑ups

4

AMRAP 8–15

60 s

Bodyweight

Superset

Overhead Rope Triceps

4

10–12

60 s

RPE 8

 

 

Day 2 Pull

Exercise

Sets

Reps

Rest

Load

Notes

Deadlift Conventional or Trap Bar

5

3–5

180 s

80–88% 1RM

 

Chest‑Supported DB Row

4

8–10

120 s

RPE 8–9

 

Wide‑Grip Lat Pulldown

4

10

90 s

RPE 8

 

Face Pull

4

12

60 s

RPE 7

Superset with Incline DB Curl

Incline DB Curl

4

10–12

60 s

RPE 8

Superset

Battle Rope Slams

6

15–20 s

45 s

High power

 

Day 3 Legs

Exercise

Sets

Reps

Rest

Load

Notes

Back Squat

5

5–6

180 s

78–85% 1RM

 

Hip Thrust Barbell

4

8–10

120 s

RPE 8

 

Leg Press

4

12

90 s

RPE 8

Drop set last set

Reverse Lunge DB

4

10 per leg

90 s

RPE 8

 

Standing Calf Raise

5

12

60 s

RPE 8

 

Box Jump

4

3–5

60 s

Bodyweight

Primer before squats

 

Day 4 Core and Conditioning

Exercise

Sets

Reps

Rest

Load

Notes

Copenhagen Plank

4

20–30 s per side

45 s

Bodyweight

 

Cable Crunch

4

10–12

60 s

RPE 8

 

Back Extension with Plate

4

10–12

60–75 s

RPE 8

 

Sled Push

6

20–40 m

90 s

Heavy

 

Skipping Rope

10

30 s work

30 s

Aerobic capacity

Phase 4 • Weeks 19–24

 

Day 1 Push

Exercise

Sets

Reps

Rest

Load

Notes

DB Bench Press

4

10–12

90 s

RPE 8

Rest‑pause final set

Landmine Press or Plate Press

4

10–12

75 s

RPE 8

 

Cable Fly Low to High

4

12

60 s

RPE 8

Superset with TRX Push‑up

TRX Push‑up

4

AMRAP 8–15

60 s

Bodyweight

Superset

Rope Pressdown

5

10–12

60 s

RPE 8

Double drop on last set

Battle Rope Finisher

6

20 s

40 s

Lactate finisher

 

Day 2 Pull

Exercise

Sets

Reps

Rest

Load

Notes

Chest‑Supported Machine Row

4

10–12

90 s

RPE 8–9

Rest‑pause last

Neutral‑Grip Pulldown

4

10–12

90 s

RPE 8

 

Straight‑Arm Pulldown

4

12

60 s

RPE 8

Superset with DB Lateral Raise

DB Lateral Raise

4

12–15

60 s

RPE 8

Superset

Incline DB Curl

5

10–12

60 s

RPE 8

Double drop last

Skipping Rope

8

45 s work

30 s

Coordination and conditioning

 

Day 3 Legs

Exercise

Sets

Reps

Rest

Load

Notes

Hack Squat or Smith Squat

4

10–12

120 s

RPE 8–9

Rest‑pause final set

KB Front‑Rack Squat

4

10–12

90 s

RPE 8

 

DB RDL

4

10–12

90 s

RPE 8

Superset with Walking Lunge

Walking Lunge

4

12 per leg

90 s

RPE 8

Superset

Seated Calf Raise

5

12–15

60 s

RPE 8

 

Sled Push

6

20–40 m

90 s

Heavy

Power endurance

 

Day 4 Core and Conditioning

Exercise

Sets

Reps

Rest

Load

Notes

Hollow Body Hold

4

30–45 s

45 s

Bodyweight

 

TRX Pike

4

8–12

60 s

Bodyweight

 

Russian Twist with DB

4

12 per side

60 s

RPE 8

Superset with Farmer Carry

KB Farmer Carry

6

30–40 m

60 s

Heavy

Superset

Box Jump

6

3

60 s

Bodyweight

Explosive power

Battle Rope or Air Bike

8

20–30 s

40–60 s

Finish strong

Push Pull Legs + Core/Cardio: 6‑Month Muscle Program (4 Days/Week)

Coaching Notes

  • Warm up with 5 to 8 minutes of easy cardio and dynamic mobility.
    • Do 2 to 3 ramp‑up sets before your first heavy movement.
    • Keep 1 to 2 reps in reserve on most sets. Push to 0 to 1 RIR on the final set of primary lifts.
    • Swap like‑for‑like if equipment is busy. Example: DB bench for barbell bench.
    • If recovery lags, remove one set from accessories before touching primaries.
    • Deload any week you feel beat down. Cut volume by 30 to 40 percent and keep intensity moderate.

Make It Simple With 12REPS

Set this plan inside the 12REPS muscle-building app. Use it as your workout tracker to log sets, reps, rest, and load. Track volume lifted and your estimated 1RM. Review weekly graphs. This makes progressive overload clear and keeps you focused on the next small win.

Client Results: Mustafa and Marika

Mustafa King used this split to add lean size across the chest, back, and legs while trimming body fat. He kept nutrition simple and hit every session. Marika followed the same structure with a few exercise swaps to suit her gym. Both logged every set in the app, raised loads slowly, and used deloads when needed. Consistency did the heavy lifting.

References

Building Muscle Food: Complete Nutrition for Muscle Growth – https://just12reps.com/building-muscle-food-complete-nutrition-for-muscle-growth/

The Ultimate Guide to Personalised Workout Plans with AI – https://just12reps.com/the-ultimate-guide-to-personalised-workout-plans-with-ai/

12reps strength training app

Will Duru

Level 4 Qualified Personal Training Coach Sports & Exercise Science BSc (Hons)

Disclaimer: The ideas in this blog post are not medical advice. They shouldn’t be used for diagnosing, treating, or preventing any health problems. Always check with your doctor before changing your diet, sleep habits, daily activities, or exercise. WILL POWER FITNESS isn’t responsible for any injuries or harm from the suggestions, opinions, or tips in this article.

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