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The Strength Running Podcast cover image

How to Improve the 3 Running Thresholds (Z2, LT, and VO2 Max), with Phil Batterson, PhD

The Strength Running Podcast

NOTE

Balance Your Intensity for Optimal Mitochondrial Function

Muscle fatigue is primarily driven by the accumulation of hydrogens and inorganic phosphates, which trigger adaptive mechanisms in the body. Training that focuses on threshold levels boosts both the buffering capacity and overall efficiency of the mitochondria. High-intensity interval training enhances mitochondrial function, while zone two training increases mitochondrial volume. Threshold training effectively combines aspects of both, leading to improvements in aerobic capacity and allowing for better management of fatigue-causing agents.

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