VO2 Master Pro & Moxy – Revealing Metabolic Limitation – Part 1

I've been using a few new sensors in my training and coaching practice recently and learning a ton about central and peripheral limiters to performance. The sensors are the VO2 Master Pro wearable VO2 analyzer and Moxy muscle oxygen monitor. Together these sensors have given me a better view of systemic oxygen consumption (VO2), and local … Continue reading VO2 Master Pro & Moxy – Revealing Metabolic Limitation – Part 1

Now I Know Why my Left Leg Burns

At the beginning of July I was finally diagnosed with Iliac Arterial Endofibrosis (IAE) [edit: actually it's more appropriate to call what I have Iliac artery flow limitation]. This is a chronic condition where the main artery delivering blood to one leg becomes constricted or kinked near the hip, limiting blood supply to the lower working … Continue reading Now I Know Why my Left Leg Burns

Investigating Power Asymmetry using Pedaling Metrics

I've been using a 4iiii Precision Pro dual-sided power meter for the past two seasons. Having a dual-sided power meter has been critical for me, as I have a chronic injury which results in a significant Left/Right power asymmetry. A single-sided power meter that just doubles Left leg power (my weak side) would give me … Continue reading Investigating Power Asymmetry using Pedaling Metrics