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    Some Work, All Play

    Some Work, All Play

    About

    Five to ten topics, sometimes about running, with lots of love and enthusiasm and science. We dig deep into training, races, studies, pop culture, and much more! With Megan Roche, M.D. and David Roche!

    Hosted By

    David Roche and Megan Roche

    311. The Science Episode! How To Stop Cramps, Fat Oxidation Changes, Missing Link Heat Training, The Difficulty of Physiology Data, and More

    311. The Science Episode! How To Stop Cramps, Fat Oxidation Changes, Missing Link Heat Training, The Difficulty of Physiology Data, and More

    May 19, 2026
    1h 41m

    We talked about some of the strangest and coolest research topics in endurance sports for this episode! Basically, the science discussions went long, so we just ran with it.

    The main discussion was on how to stop cramps, laying out 10 theories. But put on your tin foil hats, because we think the cramping conspiracy runs deep. Our theory: cramping is connected to fatigue resistance is connected to all endurance performance, and thinking about cramp prevention might revolutionize all training theory even for athletes who never cramp. IT GOES DEEP!

    We also talked about a new missing link heat study, connecting altitude blood changes to long-term passive heat training. It was especially weird because the researchers were unsure of exactly why it happened. Those are the most fun study moments!

    Other topics: very short-term changes in fat max and fat oxidation (featuring the wildest figure we have seen in a long time), the difficulty of studies due to large error bars and small effect sizes, the crossover point in metabolic research, the incredible Dark Wizard documentary, and a question on relationships.

    For a clue about what was censored, here’s the hint: I caught mommy [bleeping] [bleepa blaus].

    We love you all! HUZZAH!

    -David and Megan

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    More from Some Work, All Play

    310. The Fatigue Resistance Episode! Rachel Entrekin Makes History at Cocodona, Women v. Men Durability, Fueling and the Central Nervous System, Brain Changes, and More

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    309. The Marathon that Changed Running, Ultra GOAT to Western States, Misconceptions about Training Volume, A Supershoe Lawsuit, and A Hydration Study!

    309. The Marathon that Changed Running, Ultra GOAT to Western States, Misconceptions about Training Volume, A Supershoe Lawsuit, and A Hydration Study!
    May 5, 2026

    308. Sub-2 Hour Marathon Fueling, The High Carb Plus Bicarb Era, Strides v. Plyometrics Study, Supershoe Evolution, and Iron Theories!

    308. Sub-2 Hour Marathon Fueling, The High Carb Plus Bicarb Era, Strides v. Plyometrics Study, Supershoe Evolution, and Iron Theories!
    April 28, 2026