Tag: history of interval training
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The History of Interval Training: From Gerschler and Zatopek to Modern HIIT
The structure of interval training is nearly a century old, established by coaches through observation long before the physiology was formalized. This article traces the arc from fartlek and Gerschler’s Freiburg method through Zatopek and Astrand to the modern HIIT research of Tabata, Gibala, and the Norwegian 4×4.