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* 4:15 Andrew goes (mostly) plant-based
* 22:15 Michael blasphemes against bike lanes
* 32:15 Wheel stiffness inaccuracy correction
* 35:15 Listener question about comparing HRV values across long time horizons
* 40:30 a digression on the individual nature of heart rate
* 45:00 Andrew’s experience with Osymetric chaninrings
Listen to our chat with Marco Altini of HRV4Training in episode 43. Download or stream it wherever you get your podcasts or directly here [https://x3training.com/endurance-innovation-43-heart-rate-variability-with-marco-altini/].