
The engine room of the cell
Finding your cruise control
The magic of the slow-motion workout
Upgrading your healthspan
YOUR GOAL
Master of The slow-motion superpower of zone 2 cardio
coach The Recovery Paradox
Stressed to the core, Zone Two clears the floor, less gives you more.

coach The polarized training model for Olympic skiers, rowers, and runners reserves twenty percent of energy for intense, high-effort workouts.

coach Zone 2 cardio training in Kenyan camps powers the world's fastest marathon runners.
Elite heart rates: Miguel Indurain, a five-time Tour de France winner, had a legendary resting heart rate of just 28 beats per minute.
A low-intensity, steady-state form of aerobic exercise performed at a pace where an individual can comfortably maintain a conversation. Dr. Peter Attia championed this training method to build a strong cardiovascular foundation and extend human healthspan.
According to the polarized training model, what percentage of weekly training volume should be spent at low intensity?
Which exercise physiologist coined and popularized the 'polarized training' model based on elite athletes' habits?
Why do elite Kenyan runners start their training runs at an exceptionally slow, shuffling pace?
In which famous high-altitude Kenyan town do elite long-distance runners train using slow-start methods?
What is the term for the volume of blood pumped by the left ventricle of the heart in one contraction?
Which specific chamber of the heart undergoes eccentric hypertrophy (stretching and expanding) during prolonged zone 2 training?
Which branch of the autonomic nervous system is activated during and after zone 2 exercise to promote rest and recovery?

