4-Day Push Pull Legs Program for Muscle Gain and Fat Loss | 12Reps

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By Will Duru, BSc (Hons) Sport and Exercise Science, Award-winning Personal Trainer with over 10 years of experience in strength training and optimising recovery.

The Ultimate 4-Day Push/Pull/Legs Program for Muscle Gain and Fat Loss

If you want to build muscle, lose body fat, and get in the best shape of your life, you need a smart training plan. As a personal trainer with over a decade of experience, I have found the most effective method for beginners and intermediates is the Push/Pull/Legs (PPL) split. This approach is the perfect way to build muscle because it groups muscles that work together, allowing you to train them with intensity while giving other parts of your body time to recover.

By splitting your workouts into push days (chest, shoulders, triceps), pull days (back, biceps), and leg days (quads, hamstrings, glutes, calves), you ensure every muscle group gets the attention it needs. We will structure this into a 4-day training week, which allows us to hit each muscle group with enough frequency to stimulate growth. Combining this with interval cardio is the secret to getting that “in-shape” look and a defined face, as it torches calories and boosts your metabolism. Of course, no training program is complete without a solid nutrition plan, which we will cover in detail.

4-Day Push Pull Legs Program for Muscle Gain and Fat Loss | 12Reps

Fueling Your Body: Nutrition for Muscle Gain and Fat Loss

Training is only half the battle; your nutrition will make or break your results. To build muscle and lose fat, you need to fuel your body with the right balance of macronutrients: protein, carbohydrates, and fats.

Protein is the most important macronutrient for building and repairing muscle tissue. When you lift weights, you create tiny tears in your muscles, and protein provides the building blocks (amino acids) to repair them, making them stronger and bigger. For those looking to build muscle, a good target is 1.6 to 2.2 grams of protein per kilogram of bodyweight (about 0.7 to 1.0 grams per pound).

Carbohydrates are your body’s primary energy source. They provide the fuel you need to power through intense workouts. Without enough carbs, you will feel sluggish and weak in the gym. Good sources include oats, brown rice, sweet potatoes, and fruits.

Fats are essential for hormone production, including hormones like testosterone that are critical for muscle growth. They also play a role in nutrient absorption and overall health. Focus on healthy fats from sources like avocados, nuts, seeds, and olive oil.

A good starting point for your daily macronutrient split for body recomposition (losing fat and gaining muscle simultaneously) is:

  • Protein: 30-35%
  • Carbohydrates: 35-40%
  • Fats: 25-30%

You can track your macros using an app like the 12Reps app to ensure you are hitting your targets consistently.

The Warm-Up: Preparing Your Body for Action

A proper warm-up is crucial for preparing your body for the workout ahead, preventing injuries, and maximising performance. Each workout should begin with a 10-minute warm-up. This can be a 10-minute incline walk on the treadmill or 10 minutes of rowing. Following the cardio warm-up, perform the following mobility stretches:

Stretch

Reps/Duration

Sets

Cat-Cow

10 reps

2

World’s Greatest Stretch

5 reps/side

2

Hamstring Stretch

30 sec/side

2

Thoracic Spine Rotations

10 reps/side

2

The 12-Week Strength Training Program

This 12-week program is divided into three 4-week phases. It is a 4-day split program. Here is a sample weekly schedule:

  • Day 1: Push Workout
  • Day 2: Pull Workout
  • Day 3: Rest
  • Day 4: Legs & Functional Workout
  • Day 5: Long-Distance Run (45 mins) + Core
  • Day 6: Rest
  • Day 7: Rest
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Phase 1: Foundation (Weeks 1-4)

This phase focuses on building a solid foundation. We will use moderate weights and focus on perfecting form.

Day 1: Push Workout

Exercise

Sets

Reps

Weight

Rest Period

Dumbbell Bench Press

4

10-12

60-70%

60s

Kettlebell Shoulder Press

4

10-12

60-70%

60s

Incline Dumbbell Press

3

10-12

60-70%

60s

Machine Chest Fly

3

12-15

50-60%

45s

TRX Tricep Extension

3

12-15

Bodyweight

45s

 

Day 2: Pull Workout

Exercise

Sets

Reps

Weight

Rest Period

Bent-Over Dumbbell Row

4

10-12

60-70%

60s

Lat Pulldown Machine

4

10-12

60-70%

60s

Seated Cable Row

3

10-12

60-70%

60s

Face Pulls

3

15

50-60%

45s

Dumbbell Bicep Curls

3

12-15

60-70%

45s

 

Day 4: Legs & Functional Workout

Exercise

Sets

Reps

Weight

Rest Period

Barbell Squats

4

10-12

60-70%

90s

Romanian Deadlifts

4

10-12

60-70%

90s

Bulgarian Split Squats

3

10-12/leg

Bodyweight/Light DBs

60s

Leg Press

3

12-15

60-70%

60s

Glute Bridges

3

15-20

Bodyweight

45s

Phase 2: Strength Building (Weeks 5-8)

In this phase, we increase the intensity to build more strength. The weights will be heavier, and the reps will be lower. Each exercise includes one warm-up set before your main working sets.

Day 1: Push Workout

Exercise

Sets

Reps

Weight

Rest Period

Barbell Bench Press

4

6-8

75-85%

90s

Seated Dumbbell Shoulder Press

4

6-8

75-85%

90s

Incline Barbell Press

3

8-10

70-80%

75s

Dumbbell Side Lateral Raises

3

10-12

60-70%

60s

Close Grip Bench Press

3

8-10

70-80%

60s

 

Day 2: Pull Workout

Exercise

Sets

Reps

Weight

Rest Period

Pull-Ups (or Assisted)

4

6-8

Bodyweight

90s

Barbell Rows

4

6-8

75-85%

90s

T-Bar Rows

3

8-10

70-80%

75s

Face Pulls

3

12-15

60-70%

60s

Barbell Bicep Curls

3

8-10

70-80%

60s

 

Day 4: Legs & Functional Workout

Exercise

Sets

Reps

Weight

Rest Period

Barbell Deadlifts

4

5-6

80-90%

120s

Front Squats

4

6-8

75-85%

90s

Single-Leg RDL

3

8-10/leg

Light-Mod DBs

75s

Sled Push

3

20m

Heavy

90s

Box Jumps

3

8-10

Bodyweight

60s

Phase 3: Power and Performance (Weeks 9-12)

This final phase focuses on maximising power and performance. We will use explosive movements to convert your strength into functional power. The weights will be challenging, and the focus is on moving the weights with speed and control. Each exercise includes one warm-up set.

Day 1: Push Workout

Exercise

Sets

Reps

Weight

Rest Period

Incline Barbell Bench Press

4

5-6

80-90%

90s

Push Press

4

5-6

80-90%

90s

Dumbbell Flys

3

10-12

70-80%

60s

Arnold Press

3

8-10

70-80%

75s

Diamond Push-Ups

3

Max Reps

Bodyweight

60s

 

Day 2: Pull Workout

Exercise

Sets

Reps

Weight

Rest Period

Weighted Pull-Ups

4

5-6

Bodyweight +

90s

Pendlay Rows

4

5-6

80-90%

90s

Renegade Rows

3

8-10/arm

Mod-Heavy KBs

75s

TRX Face Pulls with External Rotation

3

12-15

Bodyweight

60s

Zottman Curls

3

8-10

70-80%

60s

 

Day 4: Legs & Functional Workout

Exercise

Sets

Reps

Weight

Rest Period

Power Cleans

4

3-5

85-95%

120s

Goblet Squats

4

8-10

Mod-Heavy KB/DB

90s

Walking Lunges

3

10-12/leg

Mod DBs

75s

Sled Pull (with TRX)

3

20m

Heavy

90s

Kettlebell Swings

3

15-20

Mod-Heavy KB

60s

 

Cool-Down and Core Finisher

After each strength training session, it is important to cool down and finish with some core work. A 10-minute cool-down on the StairMaster or an incline walk on the treadmill will help your body gradually return to a resting state. Following the cool-down, perform this core finisher to build a strong and stable core.

Core Finisher

Exercise

Sets

Duration/Reps

Rest Period

Plank

3

45 seconds

30s

Flutter Kicks

3

45 seconds

30s

Decline Sit-Ups

3

10 reps

45s

4-Day Push Pull Legs Program for Muscle Gain and Fat Loss | 12Reps app

Get Started on Your Strength Journey

This 12-week program is your roadmap to building a stronger, more powerful, and leaner body. By combining this structured training plan with the right nutrition, you will achieve incredible results. Remember to be consistent, listen to your body, and always prioritize proper form.

To make your journey even easier, you can find all the exercises from this program in the 12Reps app. You can use the app to build your routine, track your workouts with the stopwatch, and even plan sessions with friends. Download the 12Reps app today for a free trial and take the first step towards a stronger you. It is more than just a workout tracker; it is your partner in strength training and muscle building.

References

[1] Hartford Hospital. (2025). How Much Protein Do I Need to Build Muscle? https://hartfordhospital.org/services/bone-joint-institute/news/news-detail?articleid=65418

[2] Healthline. Body Recomposition: How to Lose Fat and Gain Muscle. https://www.healthline.com/nutrition/body-recomposition

[3] Garage Gym Reviews. (2024). Tips From an RD for Macros for Fat Loss and Muscle Gain. https://www.garagegymreviews.com/macros-for-fat-loss-and-muscle-gain

Why Strength Training + Running Are Key To Weight Loss and Muscle Building

12reps- strength training

 

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

If you are 29, this is your window. Your recovery is still solid. Your hormones still support growth. Your habits are forming for the next decade. You can set your body up for lean mass, strong bones, and steady energy.

The simple play is this. Lift with intent. Run with purpose. Track everything in the 12Reps app. Download the free trial and start today.

I will keep this very clear and very practical. No fluff.

The psycho-logic of fat loss and muscle gain

People chase weight loss with only cardio or only diet. It seems logical. Eat less, move more. But your body is not a spreadsheet. It is a nervous system with cravings, pride, fear, and comfort loops.

Here is the move that works in real life.

  • Use strength training to protect and grow muscle while you lose fat. Muscle raises daily energy use and shapes your frame. A large review shows resistance work reduces body fat percentage, fat mass, and visceral fat.
  • Use running or other cardio to push the heart and increase calorie burn. It helps weight control and improves fitness fast when programmed well.
  • Follow the UK guidelines. Aim for at least 150 minutes of moderate activity a week plus muscle-strengthening work on two days. That mix is the baseline for health and weight control.

This pairing beats either one alone for most people. Lift to keep the engine. Run to clear the tank.

The 12Reps Method in simple terms

The 12Reps Method focuses on clear structure and steady overload. It is built around sets of about 12 reps, controlled tempo, and small weekly progress

In the 12Reps app you get:

The method is not magic. It is a consistent practice. Add a little load. Add a rep. Hold your form. Repeat.

 

Strength Training in Your 30s and 40s: Why Personal Training (Tower Bridge/London Bridge)

Why this works for weight loss

  • Muscle is an active tissue. More muscle means higher resting energy use. You burn more throughout the whole day.
  • Lifting preserves lean mass while you eat in a mild deficit. That keeps your metabolism and your shape. A meta-analysis shows resistance training reduces fat mass and visceral fat, which is the dangerous belly fat.
  • Running or brisk cardio helps create a clean calorie gap without cutting food to the bone. Harvard notes running improves cardiovascular fitness quickly, which lets you sustain higher work levels and burn more calories.
  • The NHS guidance confirms the mix. Do your weekly cardio target and also strengthen all major muscle groups at least twice a week.

In short. Keep the muscle. Lose the fat. Feel better doing it.

Why this work for muscle building

  • Mechanical tension plus volume signals growth. Sets of 8 to 12 with good form are a strong base.
  • Progressive overload drives adaptation. Small jumps add up over months.
  • Cardio supports the process. Better aerobic fitness improves recovery between sets and between sessions. You train more productively.
  • Structure matters. A planned strength training split inside a workout planner stops random training and stalls.

 

Pair this with enough protein, solid sleep, and you will add lean mass while staying lean.

About the 12reps App: Your Complete Workout Planner and Tracker 2025 and 2026

Why 29 is the sweet spot

  • You still build fast.
  • You recover well if you manage sleep and food.
  • You can build a “reserve” of muscle and bone before natural decline begins later.
  • You fix posture and movement patterns before desk life sets them in stone.
  • You set routines that carry into your 30s and 40s.

If you are 29, take this year seriously. It pays off for decades.

Mental, physical, confidence, productivity

Mental

  • Lifting gives clear wins. You see progress in numbers. That builds belief.
  • Cardio clears stress and sharpens mood. Even short runs help.
  • Training days create rhythm. Your mind trusts your plan.

Physical

  • Better body composition. More lean mass, less fat. The evidence on resistance training is strong regarding fat and visceral fat reduction.
  • Stronger heart and lungs. You handle stairs, sport, and life with less strain.
  • Fewer aches. Strong tissue supports joints.

Confidence

  • Clothes fit better.
  • Posture improves.
  • You move like someone who takes care of their body.

Productivity

  • Higher energy across the day.
  • Better sleep helps focus.

You learn to set targets and hit them. 

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A simple weekly plan to copy

Keep it tight. Keep it repeatable. Use the 12Reps app to load this plan and track it.

Day 1

  • Lower-body push and pull
  • Squat pattern, hinge pattern, core
  • 3 to 4 sets of 8 to 12 per move
  • Easy run or brisk walk 15 to 20 minutes to finish

Day 2

  • Easy cardio 30 to 40 minutes at a conversational pace

Day 3

  • Upper-body push and pull
  • Press pattern, row pattern, arms, core
  • 3 to 4 sets of 8 to 12 per move

Day 4

  • Intervals 20 to 25 minutes
  • 1 minute faster, 1 to 2 minutes easy, repeat

Day 5

  • Full-body strength
  • One squat, one hinge, one upper push, one upper pull, one carry
  • 3 sets of 8 to 12

Day 6

  • Optional long easy cardio 30 to 60 minutes

Day 7

  • Rest, mobility, steps

Use the workout tracker to log loads and reps. Use the workout planner to space hard days and rest. If you want structure from day one, load a 6 workout program.

12reps- strength training

How to progress without stalling

  • Add 2 to 5 kg to a lift when you hit the top of the rep range with clean form.
  • If form slips, hold the load and improve the rep quality.
  • Push cardio by adding minutes first, then sprinkle in short intervals.
  • Keep protein high and sleep regular.
  • Every 6 to 8 weeks, pull back volume for one lighter week. Then build again.

This is steady. Not flashy. It works.

Quick checklist

  • Lift two to four days a week.
  • Run or do cardio two to four days a week.
  • Hit the NHS targets for movement and do strength work for all major muscle groups.
  • Track everything in the 12Reps app.
  • Use a strength training split and a workout planner.
  • Keep faith with the process for 12 weeks.

Ready to move

If you want a clear, human plan that you can stick to, this is it. Lift. Run. Log. Adjust. Repeat.Start with the 12Reps app. Download the free trial and begin today.Explore more on strength training and muscle building at just12reps.com.

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References

  1. NHS. Physical activity guidelines for adults aged 19 to 64. Read here.
  2. Wewege MA et al., 2022. The effect of resistance training in healthy adults on body fat percentage, fat mass and visceral fat. Sports Medicine. PubMed.
  3. Harvard Health Publishing, 2023. Reaping the rewards of running. Read here.