Muscle Growth Guide
Tired of training hard and not growing? The answer is in the details: program structure, the right amount of volume and intensity, how to bust through plateaus, what to eat, and how to recover. We've distilled the research into 169 practical articles. Jump in wherever your biggest question is.
We read peer-reviewed studies and meta-analyses, and keep what the research shows separate from the practical judgement that follows from it.
Start here
One entry point per theme. Start here to see the whole picture.
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How Many Sets Per Week to Build Muscle | 10-20 Sets Per Muscle, by Body Part How to judge and adjust 10-20 weekly sets for yourself -
Progressive Overload: 5 Ways to Keep Building Muscle | Weight, Reps, and Beyond Five ways to progress without relying on weight alone, and when to use each -
Protein for Muscle Growth: 1.6-2.2 g per kg | Quick-Reference Table and Practical Tips A practical guide covering everything from calculating your target to splitting meals and adjusting -
How Many Times a Week Should You Train for Muscle Growth? Frequency and Recovery, Explained A practical guide to setting frequency per muscle from weekly sets, output and recovery -
The Best Rep Range to Build Muscle | Why the "8-12" Rule Isn't the Whole Story Rep design that applies a broad effective range by exercise and by log -
What Is RIR? A Complete Guide to Managing Training Intensity by Reps in Reserve How to line up effort by reps in reserve and manage load and fatigue -
The Best Workout Plan to Build Muscle | Ready-to-Use Programs for 2-5 Days a Week Ready-to-use programs for however many days you can train, plus the science of picking exercises -
How Many Rest Days Do You Need to Build Muscle? Recovery Times by Muscle Group 48-72 hours per muscle group, supercompensation explained, and DOMS decoded -
Chest Workout for Muscle Growth | Angles, Exercises, and Fixing the "I Don't Feel It in My Chest" Problem Choosing angles and equipment, why the chest does not work, and how to build the week -
Back Workout for Muscle Growth | Building Width and Thickness with the Right Exercise Mix When to use vertical vs horizontal pulls, and how to judge whether you are feeling it -
Shoulder Workout for Muscle Growth | Training All Three Delt Heads for Round, Wide Shoulders Prioritizing the lateral and rear heads, and form that keeps the work from escaping -
7 Ways to Break Through a Training Plateau | Diagnose the Cause, Then Act From sorting out the cause to choosing a fix and testing it
Program Design
Work backward from the days you can train and build the program that fits your life.
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How to Build a Workout Program in 5 Steps | Design Your Own Plan, Even as a Beginner Frequency, split, exercises, numbers, progression: anyone can design a plan in that order -
Best Workout Splits Compared | Full Body, Upper/Lower, and PPL for 2-6 Days a Week Full body, upper/lower, PPL, and body-part splits: strengths and weaknesses compared -
The Definitive 4-Day Workout Split | A Full Week of Upper/Lower Training That Builds Muscle The best-balanced split there is, laid out as a full 4-day upper/lower week -
The Complete PPL Routine | Push/Pull/Legs Exercises and How to Run 3 or 6 Days a Week The exercises for each PPL day, and the right schedule for your frequency
Intensity & Volume
Sets, reps, weight, and how hard to push. The numbers that determine how fast you grow.
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The Right Number of Reps to Build Muscle | %1RM Chart and How to Pick the Right Weight A %1RM reference chart and a step-by-step process for finding the right weight -
What Is Training Volume? How to Calculate, Track, and Build Total Tonnage When to use weekly sets vs. total tonnage, and how to increase volume over time -
Heavy vs. Light Weight for Muscle Growth | What the Meta-Analyses Actually Say Push close to failure and both work equally. Here's how to divide the ranges by exercise -
Best Rest Time Between Sets to Build Muscle | Why 2-3 Minutes Beats Short Rests Short rests hurt more than they help. Why 2+ minutes wins for muscle growth
Breaking Plateaus
Pinpoint why progress stalled and get things moving again.
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7 Reasons You're Not Building Muscle | A Checklist for Lifters Who Are Putting in the Work Self-diagnose why you're not growing with a ranked checklist of the 7 most common causes -
Bench Press Plateau: 8 Causes and a 4-Week Program to Break Through Diagnose your sticking point by weight zone, then break through with a 4-week plan -
Strength Plateau: 5 Causes and 5 Programming Strategies to Get Past It When linear progression runs out, here's how to switch to strategies that keep working -
How to Deload | A Complete Guide to Frequency, Duration, and How Much to Back Off A planned recovery week drains fatigue, resets progress, and keeps injuries at bay
Nutrition
No matter how hard you train, muscles can't grow without the right fuel.
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Complete Nutrition Guide for Building Muscle | Calories, Protein, and Priority Order A clear priority framework so you never overthink your diet again -
How Many Calories Do You Need to Build Muscle? Lean Bulk Math and the Golden Rate How to find your maintenance calories and the ideal lean bulk rate -
4 Supplements That Actually Build Muscle | Evidence-Based Rankings and What to Skip Creatine, protein powder, caffeine: what the evidence says, and what to skip -
Why Does a Calorie Deficit Make Hypertrophy Harder? How an energy deficit constrains stimulus, synthesis and recovery
5. Muscle-Group Training — Target What You Want to Grow
Chest, back, shoulders, arms, legs: exercise selection and fixing what does not work.
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Why Do Triceps Fatigue Before Chest on Chest Day? Identifying and fixing why triceps become the limiter first -
Why Is It Hard to Feel Back Training Working? Why back sensation gets muddled, and how to judge effectiveness anyway -
Barbell Bench Press vs. Dumbbell Bench Press: Which Builds a Bigger Chest? Criteria for choosing between the two by chest stimulus and ease of progress -
Bench Press vs. Chest Press Machine: How to Choose for Hypertrophy Choosing by stimulus to the chest, fatigue, and ease of progress
6. Recovery & Logging — Collect and Manage Your Gains
Recover to keep the work, and turn your log into decisions.
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How to Choose a Workout Tracking App | Managing Weight, Reps, and Volume Consistently Why most people stop logging and what to look for in a workout tracking app -
BTB Workout Log: Who Is It For? Match Your Goals to the Right Features An honest look at who BTB suits by matching training goals to features -
Why Can Muscle Grow Without Soreness? Judging hypertrophy stimulus from load and progress, not pain -
Why Do People Who Log Their Training Notice a Plateau Sooner? Avoiding mistaking a single off day for a plateau, and reading the trend from your log
Research Reviews
One landmark study at a time, broken down into what to do in tomorrow's session.
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How Many Sets Per Week Build Muscle? A 67-Study Meta-Regression Has the Answer [Research Review] What the biggest meta-regression to date says about how much volume and frequency actually work -
Are the Three Mechanisms of Muscle Growth Still Valid? Revisiting Schoenfeld 2010 Rereading the famous "3 mechanisms" from research 15 years later -
When Should You Increase the Weight? The ACSM 2009 Progression Model Read the standards for when and how to advance the weight, reps, and number of sets -
What Training Frequency, Intensity and Volume Build Muscle? Wernbom 2007 Re-evaluating the classic review that shows frequency, intensity, and volume in one map
Browse by tag
- #Muscle Growth 137
- #Beginners 5
- #Program Design 57
- #Split Routines 5
- #Training Frequency 16
- #Training Volume 58
- #Sets 11
- #Reps 28
- #Load 51
- #Intensity 17
- #Rest Intervals 6
- #Training to Failure 8
- #RIR 17
- #Progressive Overload 69
- #Plateaus 12
- #Deload 5
- #Nutrition 9
- #Protein 9
- #Calories 3
- #Supplements 1
- #Recovery 21
- #Chest 12
- #Back 14
- #Shoulders 9
- #Workout Log 16
- #Research 74
- #Meta-analysis 8
- #Periodization 7
- #Arms 11
- #Legs 10
- #Glutes 2
- #Core 2
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