Training Guides

A reviewed library of practical training and nutrition guides. Each article is maintained by Brian Chang and includes source links or product-specific examples where they help the reader decide what to do next.

The archive is intentionally narrow: training decisions, nutrition tracking, recovery, and movement quality.

Start with progressive overload

The core principle behind strength and muscle gain.

Use RPE more accurately

Choose loads based on reps in reserve and daily readiness.

Try the strength calculator

Estimate 1RM, training max, and percentage loads.

How a Personal Trainer Uses App Data Without Overcoaching

CoachingJun 14, 20268 min read

A coaching framework for using workout, nutrition, body metrics, and chat data to make better decisions without overwhelming clients.

By Brian Chang

Missed Workouts: How to Restart Without Cramming a Whole Week

ProgrammingJun 13, 20267 min read

What to do after missed sessions: preserve the main patterns, reduce catch-up volume, and restart with the next best workout.

By Brian Chang

Progress Photos Guide: How to Make Visual Tracking Useful and Private

Body MetricsJun 12, 20268 min read

How to take consistent progress photos, interpret them with measurements and performance, and avoid turning visual tracking into a daily stressor.

By Brian Chang

Gait Analysis Basics: What Running Form Feedback Should Focus On

Motion AnalysisJun 11, 20268 min read

A practical introduction to cadence, step symmetry, overstriding, fatigue changes, and the limits of visual gait feedback.

By Brian Chang

AI Motion Analysis Limitations: What Camera Feedback Can and Cannot Tell You

Motion AnalysisJun 10, 20269 min read

A responsible guide to camera-based form feedback: useful signals, blind spots, privacy, and when to ask a coach or clinician.

By Brian Chang

Trainer Check-In Template: Questions That Actually Improve Programming

CoachingJun 9, 20268 min read

A practical weekly check-in structure for personal trainers: adherence, recovery, nutrition, pain flags, and the next programming decision.

By Brian Chang

Nutrition Logging Mistakes That Make Calorie Targets Look Wrong

NutritionJun 8, 20268 min read

Common food-tracking mistakes: missed oils, weekend drift, raw versus cooked weights, inconsistent portions, and overreacting to short-term scale changes.

By Brian Chang

Deadlift Setup Checklist: Fix the Start Before Pulling Harder

Exercise GuideJun 7, 20269 min read

A step-by-step checklist for deadlift stance, grip, brace, lat tension, bar position, and when to reduce load.

By Brian Chang

Push-Up Form Guide: Make Bodyweight Pressing Measurable

Exercise GuideJun 6, 20268 min read

How to set up push-ups, choose the right regression, count clean reps, and progress bodyweight pressing without cheating range of motion.

By Brian Chang

Body Composition Measurements: What to Track Besides Scale Weight

Body MetricsJun 5, 20268 min read

How to combine body weight, waist measurements, progress photos, performance, and body-fat estimates without overreacting to noise.

By Brian Chang

Protein Intake for Strength Training: How Much Is Enough?

NutritionJun 4, 20269 min read

A practical protein guide for lifters: daily targets, meal distribution, calorie deficits, plant proteins, and when higher intake helps.

By Brian Chang

Exercise Substitution Guide: How to Swap Movements Without Losing the Goal

ProgrammingJun 3, 20268 min read

A practical framework for replacing exercises when equipment, pain, skill, or scheduling gets in the way.

By Brian Chang

Deload Week for Strength Training: When to Reduce Volume and Why

RecoveryJun 2, 20268 min read

How to spot accumulated fatigue, choose a deload strategy, and return to productive training without losing momentum.

By Brian Chang

Beginner Strength Program: What the First 12 Weeks Should Prioritize

Beginner TrainingJun 1, 20269 min read

A coach's framework for the first 12 weeks of strength training: movement practice, simple progression, recovery, and when to add complexity.

By Brian Chang

Workout Log Review Checklist: What a Coach Looks For

CoachingMay 27, 20268 min read

A practical checklist for reviewing workout logs: consistency, progression, exercise balance, effort, recovery, and notes that explain plateaus.

By Brian Chang

How to Use a Strength Calculator Without Overestimating Your Max

ProgrammingMay 26, 20268 min read

Turn a recent set into practical training loads, then sanity-check the estimate with RPE, technique, and recent workout history.

By Brian Chang

Squat Form Guide: Build a Repeatable Squat Before Adding Load

Exercise GuideMar 25, 202610 min read

A coach's checklist for squat stance, bracing, depth, bar path, common mistakes, and when to reduce load.

By Brian Chang

The Complete Warm-Up Guide for Lifters

Training PreparationMar 2, 20268 min read

A simple warm-up structure for strength training: raise temperature, open the needed range, activate weak links, and ramp to working weight.

By Brian Chang

Understanding RPE: Use Effort Without Guessing

Training PrinciplesFeb 28, 20268 min read

Learn how to use RPE and reps in reserve for strength training decisions, when to trust it, and when percentages are safer.

By Brian Chang

Sleep and Recovery: The Training Variable Most Lifters Underestimate

RecoveryFeb 26, 20268 min read

How sleep changes strength sessions, hunger, recovery, motivation, and when to adjust training after poor sleep.

By Brian Chang

How to Track Macros for Muscle Gain Without Overcomplicating It

NutritionFeb 22, 20269 min read

Set calories, protein, carbs, and fats for a lean gaining phase, then adjust from body-weight trends and training performance.

By Brian Chang

Progressive Overload: How to Progress Without Chasing Maxes

Training PrinciplesFeb 20, 20269 min read

A practical progression framework for adding load, reps, sets, and better movement quality while keeping recovery and technique in check.

By Brian Chang