Workouts8 min read
The Upper Lower Split: A Complete Guide
The upper/lower split is one of the most effective training splits for intermediate lifters. Here's how to structure it.
Research-backed notes
Evidence-Based Fitness
Research-backed articles on body recomposition, workouts, nutrition, and recovery. Written to turn evidence into decisions you can actually use.
Inside The Journal
6 articles
Training breakdowns, nutrition explainers, recovery guidance, and practical articles you can apply alongside the calculators.
Training1
Nutrition2
Recovery3
Recovery6 min read
Deload Week: What It Is and When to Use It
Planned recovery weeks prevent overtraining and can actually accelerate long-term progress. Here's the science.
Nutrition10 min read
How to Count Macros: The Complete Beginner's Guide
Tracking macronutrients is the most precise way to manage body composition. This guide covers everything you need to start.
Recovery7 min read
Sleep and Muscle Growth: What the Research Says
Poor sleep is one of the most overlooked factors in muscle gain. The research is clear: sleep is when you grow.
Recovery9 min read
Overtraining Symptoms: How to Recognize and Recover
Overtraining is real, but often misdiagnosed. Here's how to tell the difference between normal fatigue and genuine overtraining syndrome.
Nutrition8 min read
Calorie Deficit for Fat Loss: How Much Is Optimal?
Not all calorie deficits are equal. Learn how to choose a deficit that maximizes fat loss while preserving muscle.