Rasmus Jensen Profile picture
Jul 12 7 tweets 3 min read
1/n @RitterTV2 and everybody else: Keep an eye on @jakob_fuglsang in today's #TDF2022 . He spent the rest day actually resting for the first time in his career and allegedly hope to join the breakaway today.
2/n Why is this interesting? Time for two classics:
1) Previous exercise increases the ability to store carbohydrates in the muscles (nature.com/articles/21030…)
2) stored carbohydrate is essential for cycling endurance (onlinelibrary.wiley.com/doi/10.1111/j.…)

Will he miss that glycogen today?
3/n And for the nerds:
More recently, an in vitro model (journals.plos.org/plosone/articl…) suggested that previous exercise increases the storage of carbohydrate (glycogen) closest to the force producing elements in the muscles (actin and myosin).
4/n This pool of (intramyofibrillar) glycogen best predicts human cycling endurance (physoc.onlinelibrary.wiley.com/doi/full/10.11…)

Last time I heard about someone that took "rest day" literally, he dropped from the peloton way too soon. Anecdotal, yes, but very interesting.
5/5 But please, someone with better insights into modern cycling and #TDF2022 procedures, "prove" me wrong. How common is complete rest on rest days?
@SamImpey_ Do you have two cents to give, here?
Correction, this is a human study.

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