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Dietary Fuels in Athletic Performance

Authors
  • Fritzen, Andreas Mæchel
  • Lundsgaard, Anne-Marie
  • Kiens, Bente
Type
Published Article
Publisher
Annual Reviews
Publication Date
Aug 21, 2019
Volume
39
Pages
45–73
Identifiers
DOI: 10.1146/annurev-nutr-082018-124337
Source
Annual Reviews
Keywords
License
Yellow

Abstract

Focusing on daily nutrition is important for athletes to perform and adapt optimally to exercise training. The major roles of an athlete's daily diet are to supply the substrates needed to cover the energy demands for exercise, to ensure quick recovery between exercise bouts, to optimize adaptations to exercise training, and to stay healthy. The major energy substrates for exercising skeletal muscles are carbohydrate and fat stores. Optimizing the timing and type of energy intake and the amount of dietary macronutrients is essential to ensure peak training and competition performance, and these strategies play important roles in modulating skeletal muscle adaptations to endurance and resistance training. In this review, recent advances in nutritional strategies designed to optimize exercise-induced adaptations in skeletal muscle are discussed, with an emphasis on mechanistic approaches, by describing the physiological mechanisms that provide the basis for different nutrition regimens.

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