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What Is Training Load? Power, Heart Rate, EPOC, and RPE Explained
Trainingload.ai editorial team

What Is Training Load? Power, Heart Rate, EPOC, and RPE Explained

Why can the same workout produce different load scores in Garmin, TrainingPeaks, and Strava? Learn what external load, internal load, TSS, TRIMP, EPOC, and Session RPE actually measure.

training load / TSS / EPOC / Session RPE

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What Are CTL, ATL, and TSB? Fitness, Fatigue, and Form

From daily training load to CTL, ATL, and TSB: learn the 42- and 7-day time constants, the same-day TSB formula, and why the metrics move during a build, recovery week, or taper.