Building muscle requires more than just showing up at the gym. It requires the right training stimulus: appropriate volume, intensity, and frequency applied consistently over time. This program is built on evidence-based hypertrophy principles—moderate rep ranges, adequate volume, and progressive overload—to maximize muscle growth. Whether you're a beginner looking to build your foundation or intermediate lifter seeking more size, this program delivers.

The Science of Muscle Growth

Muscle growth (hypertrophy) occurs when you create mechanical tension and metabolic stress in muscle fibers, then recover with adequate nutrition and rest. Training provides the stimulus; recovery provides the growth. Neither works without the other.

Research shows that moderate rep ranges (6-12 reps) are optimal for hypertrophy, though muscle can be built across a wide spectrum. Training each muscle 2-3 times per week produces more growth than once-weekly body part splits. Volume (total sets) is one of the strongest predictors of muscle growth—up to a point.

Progressive overload is non-negotiable. Your muscles adapt to the demands you place on them. If those demands never increase, neither does your muscle. Add weight, add reps, or add sets over time—but you must progress.

Benefits of Building Muscle

  • Improved Aesthetics

    Muscle creates the shape and definition that defines an athletic physique.

  • Higher Metabolism

    Muscle burns more calories at rest than fat, making weight management easier.

  • Increased Strength

    Bigger muscles are stronger muscles. Size and strength go together.

  • Better Health

    More muscle mass is associated with lower all-cause mortality and better metabolic health.

  • Improved Confidence

    Looking better translates to feeling better in all areas of life.

  • Longevity

    Muscle mass protects against age-related decline and maintains quality of life.

Program Overview

Frequency4 days per week (Upper/Lower split)
Duration50-65 minutes per session
StructureHigh volume training with compound and isolation movements
EquipmentBarbell, Dumbbells, Cable machine, Various machines

Who it's for: Anyone focused on maximizing muscle growth

Don't have all this equipment? GymFriend can build you a custom program using whatever you have available.

Why These Exercises?

Each exercise in this program was selected for a specific reason. Here's why:

Barbell Bench Press

The foundational chest builder. Heavy compound pressing develops chest, front delts, and triceps.

Barbell Bent Over Row

Heavy rowing builds a thick back. Essential for balanced upper body development.

Barbell Full Squat

The king of leg exercises. Nothing builds quads and overall leg mass like heavy squats.

Barbell Romanian Deadlift

Superior hamstring and glute builder. Creates the posterior chain mass that squats miss.

Dumbbell Standing Overhead Press

Primary shoulder builder. Creates the capped delts that complete upper body development.

Pull-up

Best lat builder available. Creates back width that defines an athletic physique.

The Complete 4 days (Upper/Lower split) Program

Follow this program consistently for best results. Start with weights that feel manageable and aim to increase gradually each week as you get stronger.

Day 1
Day 1: Upper Body A
Push-up
2 sets10 reps
Barbell Bench Press
4 sets6-8 reps135-185 lbs3 minutes rest
Barbell Bent Over Row
4 sets6-8 reps115-165 lbs2-3 minutes rest
Dumbbell Incline Bench Press
3 sets10 reps30-55 lb dumbbells each90 seconds rest
Cable One Arm Bent Over Row
3 sets10 each arm reps30-50 lbs90 seconds rest
Dumbbell Lateral Raise
3 sets12-15 reps12-20 lb dumbbells each60 seconds rest
Dumbbell Concentration Curl
3 sets10-12 reps15-30 lb dumbbells each60 seconds rest
Cable Pushdown
3 sets10-12 reps40-60 lbs60 seconds rest
Behind Head Chest Stretch
30 seconds each side
Kneeling Lat Stretch
30 seconds each side
Behind Head Chest Stretch
30 seconds each arm
Day 2
Day 2: Lower Body A
Ankle Circles
1 sets10 each leg reps
Barbell Full Squat
4 sets6-8 reps155-245 lbs3 minutes rest
Sled 45° Leg Press
3 sets10-12 reps200-400 lbs2 minutes rest
Barbell Romanian Deadlift
3 sets10 reps115-175 lbs2 minutes rest
Lever Seated Leg Curl
3 sets10-12 reps50-80 lbs60 seconds rest
Lever Leg Extension
3 sets12 reps60-100 lbs60 seconds rest
Cable Standing Calf Raise
4 sets12-15 reps100-180 lbs60 seconds rest
Standing Calves Calf Stretch
30 seconds each leg
Hamstring Stretch
30 seconds each leg
Kneeling Lat Stretch
30 seconds each side
Day 3
Day 3: Upper Body B
Dumbbell Standing Overhead Press
4 sets6-8 reps85-115 lbs2-3 minutes rest
Pull-up
Add weight if bodyweight is easy
4 sets6-10 reps2-3 minutes rest
Dumbbell Bench Press
3 sets10 reps40-65 lb dumbbells each90 seconds rest
Cable Bar Lateral Pulldown
3 sets10-12 reps80-120 lbs90 seconds rest
Dumbbell Rear Fly
3 sets12-15 reps10-20 lb dumbbells each60 seconds rest
Dumbbell Incline Curl
3 sets10-12 reps15-25 lb dumbbells each60 seconds rest
Cable Rope High Pulley Overhead Tricep Extension
3 sets10-12 reps20-35 lbs60 seconds rest
Behind Head Chest Stretch
30 seconds each side
Behind Head Chest Stretch
30 seconds each arm
Day 4
Day 4: Lower Body B
Ankle Circles
1 sets10 each leg reps
Barbell Deadlift
4 sets5-6 reps225-315 lbs3-4 minutes rest
Resistance Band Hip Thrusts On Knees
4 sets10 reps95-185 lbs2 minutes rest
Dumbbell Single Leg Split Squat
3 sets10 each leg reps25-45 lb dumbbells each90 seconds rest
Lever Seated Leg Curl
3 sets10-12 reps50-80 lbs60 seconds rest
Lever Leg Extension
3 sets12 reps60-100 lbs60 seconds rest
Lever Seated Calf Raise
4 sets12-15 reps45-90 lbs60 seconds rest
Side Lying Floor Stretch
30 seconds each leg
Side Lying Floor Stretch
30 seconds each side

Want this program adjusted for your fitness level, goals, or schedule? GymFriend can create a personalized version just for you.

Maximizing Muscle Growth

  • Eat in a caloric surplus (200-500 calories above maintenance). You can't build muscle from nothing.
  • Prioritize protein (0.8-1g per pound of bodyweight). This is the raw material for muscle building.
  • Progress consistently. Add weight or reps each week. Small increases compound over time.
  • Train with intensity. The last 2-3 reps should be genuinely challenging.
  • Sleep 7-9 hours nightly. Growth hormone peaks during deep sleep.
  • Track your workouts. You can't improve what you don't measure.

Edit your plan, track progress, and get realtime coaching

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Frequently Asked Questions

How quickly will I build muscle?

Beginners can gain 1-2 lbs of muscle per month with optimal training and nutrition. Intermediate lifters gain 0.5-1 lb per month. These rates require caloric surplus and consistent training.

Should I bulk or cut?

If you're under 15% body fat (men) or 22% (women), a lean bulk makes sense. If you're higher, consider cutting first. You can build muscle in a slight deficit when starting out.

How important is the pump?

The pump indicates blood flow and metabolic stress, which contribute to growth. But it's not the only factor—progressive overload with heavy weights matters more for long-term gains.

Can I build muscle without supplements?

Yes. Real food provides everything you need. Supplements can be convenient but aren't necessary. If you use any, creatine monohydrate is the only one with strong evidence for muscle building.

Why does this program train each muscle twice per week?

Research shows training a muscle 2-3 times per week produces more growth than once weekly. Muscle protein synthesis is elevated for about 24-48 hours after training, so more frequent stimulus maximizes growth.