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Perspectives #36: The Consequences Of Chronic Underfueling, with Traci Carson

11/24/2024

Empirical Cycling Podcast · Perspectives #36: The Consequences Of Chronic Underfueling, with Traci Carson

Dr. Traci Carson joints to discuss low energy availability and relative energy deficiency in sport, or LEA and RED-S. We consider their origin in the female athlete triad, some differences in female and male physiology and symptoms, the fuzziness of energy intake, symptom overlap with fat loss diets, the need for carbohydrates, the relationship to similar conditions like overtraining syndrome, social considerations and assessing cycling's broader awareness on these issues, and much more.

Show Notes

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Ten Minute Tips #45: The Simplest Training Plan Thought Experiment

11/17/2024

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Empirical Cycling Podcast · Ten Minute Tips #45: The Simplest Training Plan Thought Experiment

This episode plays out one of Kolie's coaching thought experiments: what's the simplest training plan possible that would probably be effective for the largest number of people? We each present our plan and then critique them, once again realizing how difficult it is to create a plan without our usual tool of athlete feedback. This starts a discussion about the best potential audience for each plan, the different needs of beginner, intermediate, and advanced athletes.

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Ten Minute Tips #44: What's So Sweet About Sweetspot

11/11/2024

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Empirical Cycling Podcast · Ten Minute Tips #44: What's So Sweet About Sweetspot

We discuss everything sweetspot. How do we define it, what kind of training is it, what's the nature of progression, how much is too much, upsides and downsides including time efficiency, fueling, over/unders, and more. We also answer tons of listener questions, like if it can raise FTP, if it's overrated or underrated, sweetspot for sprinters, how long you can hold it relative to your FTP, and much, much more.

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Watts Doc #51: The Complicated Relationship Between Performance and Phenotype

11/4/2024

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Empirical Cycling Podcast · Watts Doc #51: The Complicated Relationship Between Performance and Phenotype

A study knocking out HIF1alpha in mice reveals a counterintuitive relationship between markers of phenotype like fat oxidation, mitochondria markers, capillary density, and fiber type, and not having improved baseline performance. This uncovers an interesting relationship between the HIF pathway and oxidative metabolism, and how seemingly opposing adaptations are complementary.

Show Notes
HIF-1α in endurance training: suppression of oxidative metabolism

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Perspectives #36: The Consequences Of Chronic Underfueling, with Traci Carson

Ten Minute Tips #45: The Simplest Training Plan Thought Experiment

Ten Minute Tips #44: What's So Sweet About Sweetspot

Watts Doc #51: The Complicated Relationship Between Performance and Phenotype

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