Glycogen
Glycogen — Stored carbohydrate in muscles and liver that serves as the primary fuel source during HYROX® races. Depletion causes the dreaded 'wall' in endurance events.
Definition and limits
Glycogen is stored carbohydrate, chiefly in skeletal muscle and liver. Muscle glycogen supports work in that muscle; liver glycogen helps maintain blood glucose. Stores change with diet and exercise, but are not simply “full” or “empty,” and depletion varies by intensity, duration and muscle use.
ACSM/AND/DC sports-nutrition position statement
FAQ
What does the term mean?
The definition is explained above.
ACSM/AND/DC sports-nutrition position statement
Is there one universal target?
No. Context and the individual matter.
ACSM/AND/DC sports-nutrition position statement
Does it guarantee HYROX® performance?
No.
ACSM/AND/DC sports-nutrition position statement
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