Garmin Stamina VO2 Threshold: Mapping the Fatigue Trigger

A multi-metric physiological graph showing the decline of Garmin Stamina during 2x14 minute 22/8 cycling intervals alongside SmO2, DFAA-1, and VO2 data.

Garmin Stamina VO2 Threshold: Mapping the Fatigue Trigger In my ongoing pursuit of the “Physiology First” training approach at Onlinebikecoach.com, I have used the Garmin Stamina VO2 Threshold to map exactly where my internal stability ends and metabolic exhaustion begins. To build a more resilient aerobic engine, I need to know my limits. With my […]