Journal article

Carbohydrates in the diet of athletes


Authors listSchek, A

Publication year1997

Pages434-43+

JournalErnährungs-Umschau : Forschung & Praxis

Volume number44

Issue number12

ISSN0174-0008

PublisherUmschau Verlag Breidenstein GMBH


Abstract
Intensive endurance exercise (e. g. marathon) may be limited by glycogen reserves in skeletal muscles and liver. The higher the exercise intensity (e.g. running speed), the greater the percentage of energy provided by glucose, and the sooner the onset of fatigue. Endurance training increases the percentage of energy provided by fatty acids, leading to extended performance. Full glycogen stores have a positive effect on endurance capacity. A special mode of training and diet increases the glycogen content of the active muscles from 300 to 500 g. A diet rich in carbohydrates increases the amount of glycogen stored in the liver by two thirds. Carbohydrate intake during exercise stabilizes blood glucose concentration. IF there is no risk of reduced performance due to insufficient glucose reserves, no special guidelines concerning carbohydrate supply must be observed. However, in athletes (as in non-athletes) carbohydrate intake is frequently below the recommended supply of 50 to 60 energy percent.



Citation Styles

Harvard Citation styleSchek, A. (1997) Carbohydrates in the diet of athletes, Ernährungs-Umschau : Forschung & Praxis, 44(12), pp. 434-43+

APA Citation styleSchek, A. (1997). Carbohydrates in the diet of athletes. Ernährungs-Umschau : Forschung & Praxis. 44(12), 434-43+.



Keywords


carbohydrate loadingENDURANCEendurance exerciseexercise intensity and durationMUSCLE GLYCOGENPROLONGED STRENUOUS EXERCISE


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