Physiological Responses to Altitude
Head Coach Ryan Kohler details the profound physiological impacts that altitude can have on our heart rate and power output.
Latest: Page 2
The Physiology of Race Season, with Dr. Iñigo San Millán
We explore the physiology of race season—how to find top-end fitness, how long it takes, and the best ways to do it.
Exploring Heat Adaptation Methods
Dr. Stephen Cheung explores how to develop heat adaptation protocols that fit your event, budget, and circumstances.
Endurance Performance Testing and Monitoring—Past, Present, and Future
Dr. Stephen Seiler presents on the history and future of endurance sports testing and monitoring.
Do Sprints Within Endurance Rides Improve Adaptations?
Dr. Stephen Cheung attempts to answer the question of whether it’s productive to incorporate intensity into an endurance ride.
INSCYD and the Power of Testing Analysis, with Sebastian Weber
We compare and contrast various test methods based on three key aspects: 1) the protocol, 2) the data the test provides, and 3) the analysis you can perform with that data.
Everything You Need to Know About the INSCYD Test
The INSCYD test yields a powerful set of metrics, including a complete metabolic profile. Coach Ryan Kohler details the test protocol and analysis.
Does Strength Training Make You Faster?
Dr. Stephen Cheung reviews recent research that addresses the question of whether strength training can make you faster on the bike.
The Impact of Cold on Metabolism and Fueling
Environmental physiologist Dr. Stephen Cheung addresses whether the amount of fat and carbohydrate used for energy changes with the temperature.
Dr. Seiler Answers Five Great Endurance Questions
Dr. Stephen Seiler answers five endurance training questions on heart rate, zones, polarized training, rest, and much more.
How to Analyze the Power Duration Curve
Coaches Trevor Connor and Ryan Kohler analyze the Power Duration Curve in order to illustrate how you can train fatiguability.
Wprime, Critical Power, 6-minute Power, and Variable Intensity Races
In this video, Dr. Seiler thinks out loud—with math—to explore how critical power and variable intensity races might connect in practice.