Your Residual Training Stress is the lingering stress from your recent training.
Residual Training Stress™ (RTS™) is an Optimized Training™ metric that quantifies the residual effect of past training sessions on your body based on various session characteristics such as intensity, duration, and frequency, among other factors.
What's the difference between RTS and NTS?
Normalized Training Stress™ (NTS™) is the training stress induced during a specific session and is different from the residual stress that lingers after that session. Training sessions with the same NTS value may impact your RTS values differently based on the nature of the sessions and systems stressed (primarily cardiovascular, musculoskeletal, nervous).
Unlike NTS, which is a session-specific stress metric, RTS is a point-in-time metric comprised of stress from as many as several dozen past training sessions.
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