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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

Speed Up to Adapt: Type Two Fibers Transform

Training intensity influences muscle fiber adaptation, particularly type two fibers, which can shift towards an aerobic phenotype with sustained endurance activity. As a runner increases pace, even marginally, during a long run, the demand for ATP rises, promoting mitochondrial proliferation in type two fibers. This adaptation enhances fat oxidation capabilities, optimizing energy efficiency and performance in endurance scenarios.

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