Body Composition
Every body composition guide we have published, newest first.
8 articles in Body Composition
Body Recomposition: Losing Fat and Gaining Muscle at the Same Time
Losing fat while adding muscle is possible, but not for everyone equally. Here is who it works for, what the trials show, and why the scale stops being useful.
Ideal Body Weight Formulas Compared: Why Four Equations Give Four Answers
Devine, Robinson, Miller and Hamwi disagree by several kilograms at the same height. The reason is that none of them was built to describe a healthy weight.
Why Body Composition Formulas Use Different Equations for Men and Women
Navy, Deurenberg, Devine and Mifflin all carry a sex term. Here is the biology behind those terms, how large they are, and why a binary switch is a crude proxy.
Lean Body Mass: What It Is and Why It Drives Your Metabolism
Lean body mass is everything you are not carrying as fat, and it sets most of your resting energy expenditure. Here is how it is calculated and what it changes.
How to Measure Body Fat at Home: Methods Ranked by Accuracy
Calipers, tape, smart scales and BMI-based equations all claim to measure body fat. Here is how each one works, how wrong it typically is, and which to trust.
Body Fat Percentage vs BMI: Which Number Actually Matters?
Body fat percentage describes what your body is made of. BMI describes how heavy you are for your height. Here is when each one earns its place, and where both fail.
What BMI Actually Measures, and What It Misses
Body mass index is a population screening tool that was never designed to describe an individual body. Here is what the index does well, where it fails, and which measurements to add.
Waist-to-Height Ratio: The Simplest Risk Marker You're Not Using
Keep your waist under half your height. One tape measure, one division, no reference population needed, and it holds up against BMI on cardiometabolic risk.
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