Latest / The Athlete's Compass
From Load to Strain: Dr. Stephen Seiler's Latest Research
In this episode, the Athletes Compass team sits down with legendary exercise physiologist Dr. Stephen Seiler, who’s best known for popularizing polarized training. Dr. Seiler shares his latest insights into using breathing frequency as a real-time indicator of training stress—a potentially more accurate and actionable metric than heart rate or RPE. He explains the conceptual shift from traditional load-focused models to a "load–stress–strain" framework and discusses how wearables and new tech are unlocking practical ways for everyday and elite athletes to train smarter. Drawing from personal…
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