Body Composition vs Body Weight: ...
Body Composition vs Body Weight: Why The Scale Doesn't Tell You The Whole Story
The Fundamentals of Fitness by Alison Berrisford
S1 · E37
Mar 30, 2026
10:51
Episode notes

The scale is one of the most commonly used tools in fitness.

But it’s also one of the most misunderstood.

If your weight hasn’t changed — or has even increased — it’s easy to feel like progress has stalled. But body weight alone doesn’t tell you what’s actually happening inside your body.

In this episode of The Fundamentals of Fitness, Alison breaks down the difference between body weight and body composition, and explains why focusing only on the scale can lead to frustration and poor decisions.

You’ll learn:

What your body weight actually represents

The difference between fat mass and lean mass

How glycogen and water affect scale weight

Why visual progress often lags behind internal change

How athletes assess progress beyond body weight

The most effective ways to track real progress ... 

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