VO2 Max from the Muscle’s Perspective: Building Endurance from the Inside Out

The Athlete's Compass · May 9, 2025 · 34m

In this episode, the Athletes Compass team continues their deep dive into VO2 max, shifting the spotlight from the heart and lungs to the muscles, capillaries, and mitochondria. Dr. Paul Laursen breaks down how oxygen delivery is only part of the equation — your muscles must be primed to use that oxygen. They explore how endurance training, muscle fiber types, capillary density, and even nutrition play critical roles in determining your performance ceiling. From everyday athletes to elites, this conversation lays out the science and strategy for getting the most out of your training.

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