Maximum Heart Rate
The protocol requires effort at 90–100% of maximum heart rate. The first high-intensity interval is performed at 90–100% of maximum heart rate. Sustained effort in the 90–100% maximum heart rate zone creates substantial physiological deman…
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The protocol requires effort at 90–100% of maximum heart rate. The first high-intensity interval is performed at 90–100% of maximum heart rate. Sustained effort in the 90–100% maximum heart rate zone creates substantial physiological demand.