Why Monitoring RPE—and Comparing It to Respiratory Frequency—Matters More Than You Think
In endurance training, Rating of Perceived Exertion (RPE) has long been a trusted compass—an intuitive guide to how hard an athlete feels they’re working. But how reliable is this perception in real-time, especially under fatigue, heat, or glycogen depletion? More importantly, can we measure how well athletes are controlling their RPE, and should we compare what they …
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