Endurance energy supply

Glucose transport

Muscles use glucose taken from the bloodstream as major energy source in response to enduring physical exercise.

Transmembrane proteins facilitate the entry of glucose in skeletal muscles and therefore these proteins are rate-limiting factors in endurance performance. Carriers of the SLC2A4 gene variant have higher basal levels of glucose transporters, as well as higher increase in number of transporters in response to training.

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