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Reference
Protocol Glossary
Science-backed definitions for every term in your health data: plain English and the mechanism behind it.
Training
Zone 2
Low-intensity cardio that builds the engine everything else runs on
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Allostatic Load
Your total accumulated stress burden: the body cannot separate the sources
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Progressive Overload
The principle that drives all adaptation: consistently increase the demand to keep improving
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Mitochondrial Biogenesis
Growing new mitochondria: the cellular adaptation that drives aerobic fitness
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EPOC (Excess Post-Exercise Oxygen Consumption)
The temporary afterburn cost of hard training
→ Read definitionMore terms added regularly. Check back for new entries across all categories.