A little knowledge.
A clearer picture.
Body composition, fitness progress, and the research behind the numbers. Clear explanations, original studies, and useful perspective.
Body compositionUnderstanding your metricsBetter check-ins
4 min read
Why the scale can stay the same during body recomposition
What research on fat loss, lean mass, and body water reveals about progress that a single weight reading can miss.
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Body fat percentage vs BMI: what each number can tell you
BMI and body fat percentage describe different quantities. Learn how each is calculated and what studies reveal about their relationship.
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Lean mass is not muscle mass
Studies of glycogen, body water, and strength show why changes in lean mass cannot be read directly as muscle gained or lost.
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How to make photo progress check-ins more repeatable
Lighting, camera position, and ordinary body variation can change a photograph. A consistent routine makes visual comparisons easier to interpret.
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