The Ultimate Science-Backed Workout Plan for Building Muscle Mass

By Dr. Marcus Chen, Ph.D.

May 28, 2025 at 04:00 PM

Building muscle requires consistent strength training and proper nutrition. Here's a comprehensive guide to creating an effective muscle-gaining workout routine.

Muscular man working out with weights

Muscular man working out with weights

Key Benefits of Muscle Building:

  • Increased resting calorie burn through higher lean muscle mass
  • Improved posture through better strength balance
  • Enhanced strength, coordination, and balance
  • Better bone density and reduced bone loss

Muscle Growth Fundamentals: Hypertrophy occurs when strength training creates microscopic muscle fiber tears. As these tears repair, muscles grow larger through consistent training.

Workout Frequency and Volume:

  • Train each muscle group 2-3 times per week
  • Perform 3-4 sets of 8-12 reps per exercise
  • Use weights that make the last 2-3 reps challenging
  • Implement progressive overload by gradually increasing weight, reps, or intensity

Equipment Choice:

  • Machines: Ideal for beginners, fixed movement path, safer for heavy weights
  • Free weights: Better for advanced lifters, engages more stabilizing muscles

Weekly strength training split schedule

Weekly strength training split schedule

Workout Splits: Popular options include:

  • Push/Pull/Legs (6-day split)
  • Chest & Back/Legs/Shoulders & Arms (3-1-3 split)
  • Back & Biceps/Chest & Triceps/Legs/Shoulders (4-day split)

Nutrition Requirements:

  • Eat in a 5-10% calorie surplus
  • Consume 1.4g protein per kg bodyweight
  • Focus on lean meats, eggs, legumes, and dairy
  • Include pre-workout carbohydrates for energy

Push pull legs workout routine diagram

Push pull legs workout routine diagram

6-Day Push/Pull/Legs Workout Plan:

Push Days (Days 1 & 4):

  • Barbell bench press
  • Military press
  • Incline press
  • Lateral raises
  • Tricep extensions

Pull Days (Days 2 & 5):

  • Deadlifts
  • Bent over rows
  • Lat pulldowns
  • Upright rows
  • Bicep curls

Leg Days (Days 3 & 6):

  • Squats
  • Bulgarian split squats
  • Leg press
  • Leg extensions
  • Calf raises

Day 7: Rest

Important Tips:

  • Start with compound movements before isolation exercises
  • Always perform proper warm-up and cool-down
  • Include regular rest days between muscle groups
  • Maintain consistent form throughout exercises

Results typically show within a few months, though genetics play a role in muscle-building potential. Consistency with both training and nutrition is key for optimal results.

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