How to measure
1
Waist — at the navel, relaxed, not sucked in
2
Neck — just below the Adam's apple, sloping downward
3
Hips (women only) — widest point of the hips
Body fat ranges — Men
Body fat ranges — Women
What is lean mass? Everything that isn't fat — muscle, bone, organs, and water. If you weigh 90kg at 20% body fat, your lean mass is 72kg. Tracking lean mass helps you know whether you're losing fat or muscle during a cut.
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