// KNOWLEDGE_BASE
HEALTH & LONGEVITY GLOSSARY
Evidence-based definitions for fitness metrics, biomarkers, and training concepts.
Fitness Metrics
5 terms
Lactate Threshold
Well-EstablishedThe exercise intensity at which lactate accumulates in the blood faster than it can be cleared, marking the transition from sustainable to unsustainable effort.
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One Rep Max
Well-EstablishedThe maximum weight you can lift for a single repetition with proper form, used to measure and program strength training.
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Rate of Perceived Exertion
Well-EstablishedA subjective scale used to rate how hard exercise feels, from very light to maximum effort.
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Training Volume
Well-EstablishedThe total amount of work performed in training, typically calculated as sets x reps x weight.
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Zone 2 Training
Well-EstablishedLow to moderate intensity cardio training that maximizes fat oxidation and builds aerobic base without accumulating significant fatigue.
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