Glossary

Body fat percentage

Body fat percentage is the proportion of your bodyweight that is fat rather than lean tissue.

Useful thresholds: under 15% body fat (men) and 25% (women) are typical green lights for starting a bulk.

Also known as

body fat, body fat %

Lean body mass
Lean body mass is everything in your body that isn't fat — muscle, bone, organs, water.
Bulk
A bulk is a phase of eating in a calorie surplus to build muscle.
Cut
A cut is a phase of eating in a calorie deficit to lose body fat while keeping muscle.

The full glossary

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