Have a listen to our first chat with Bruce Rogers3:00 ANT+ vs Bluetooth connection options in performing DFA a1 analysis10:15 which brands / models of HR straps can be used for the a1 HRV analysis14:30 what happens to a1 over long exercise bouts and how does it correlate to HR drift?22:30 are my results in using DFA a1 to assess AeT in running that produce a surprising slow result valid?32:00 the accuracy and utility of metrics and training advice provided by modern wearables33:00 how accurate is Garmin’s estimate of VO2max?40:00 how accurate is their measurement of respiratory rate?40:30 ‘Performance Condition’44:45 is it accurate and reliable? Is it useful?46:45 Andrew comes to Garmin’s rescue56:00 the future of HRV-derived measurements and metricsWant to pause your Garmin's reporting of your 'training status'? I think you should. Here's the link. And for another conversation on the utility of the plethora of training metrics, have a listen to our last conversation with Mikael Eriksson.