Optional: Feedback helps fine-tune each exercise individually. Without it, the system still adapts using your Garmin biometrics (HRV, sleep, body battery) — but only at the session level, not per exercise.
Session RPE (1-10)
Rate of Perceived Exertion — how hard the session felt overall. 1-3 Easy | 4-6 Moderate | 7-8 Hard | 9-10 All-out