Muscle & Training · Training
Zone 2 Cardio
Zone 2 is steady, conversational aerobic exercise just below where lactate starts to accumulate. What it trains (mitochondria, fat oxidation), how to find your zone, how much to do, and how it fits with high-intensity work.
Step 1 of 5 · Overview30 min read ·
Key idea
Prereqs: The heart & circulation; How muscle grows. Next: Mobility & injury prevention. Based on Iñigo San-Millán and Stephen Seiler's work, and Peter Attia's *Outlive*.Not medical advice. Education only; check with a doctor or registered dietitian before major changes, especially with a medical condition.
Next: 1. What zone 2 is