Altering endogenous carbohydrate availability to support training adaptations

Andrew Philp, Louise M. Burke, Keith Baar

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

Abstract

Glycogen was first identified in muscle over a century and a half ago. Even though we have known of its existence and its role in metabolism for a long time, recognition of its ability to directly and indirectly modulate signaling and the adaptation to exercise is far more recent. Acute exercise induces a number of changes within the body (i.e. sympathetic nervous system activation and elevation of plasma free fatty acids) and muscle (increased AMP-activated protein kinase activity and fat metabolism) that may underlie the long-term adaptation to training. These changes are also affected by glycogen depletion. This review discusses the effect of exercise in a glycogen-depleted state on metabolism and signaling and how this affects the adaptation to exercise. Although 'training low' may increase cellular markers associated with training and enhance functions such as fat oxidation at sub-maximal exercise intensities, how this translates to performance is unclear. Further research is warranted to identify situations both in health and athletic performance where training with low glycogen levels may be beneficial. In the meantime, athletes and coaches need to weigh the pros and cons of training with low carbohydrate within a periodized training program.

Original languageEnglish (US)
Title of host publicationNestle Nutrition Institute Workshop Series
Pages19-31
Number of pages13
Volume69
StatePublished - 2011

Publication series

NameNestle Nutrition Institute Workshop Series
Volume69
ISSN (Print)16642147
ISSN (Electronic)16642155

Fingerprint

Training Support
exercise
Glycogen
Carbohydrates
glycogen
Exercise
carbohydrates
Fats
athletic performance
Athletic Performance
AMP-activated protein kinase
sympathetic nervous system
Muscles
muscles
AMP-Activated Protein Kinases
metabolism
athletes
Sympathetic Nervous System
education programs
Nonesterified Fatty Acids

ASJC Scopus subject areas

  • Food Science
  • Pediatrics, Perinatology, and Child Health
  • Nutrition and Dietetics

Cite this

Philp, A., Burke, L. M., & Baar, K. (2011). Altering endogenous carbohydrate availability to support training adaptations. In Nestle Nutrition Institute Workshop Series (Vol. 69, pp. 19-31). (Nestle Nutrition Institute Workshop Series; Vol. 69).

Altering endogenous carbohydrate availability to support training adaptations. / Philp, Andrew; Burke, Louise M.; Baar, Keith.

Nestle Nutrition Institute Workshop Series. Vol. 69 2011. p. 19-31 (Nestle Nutrition Institute Workshop Series; Vol. 69).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Philp, A, Burke, LM & Baar, K 2011, Altering endogenous carbohydrate availability to support training adaptations. in Nestle Nutrition Institute Workshop Series. vol. 69, Nestle Nutrition Institute Workshop Series, vol. 69, pp. 19-31.
Philp A, Burke LM, Baar K. Altering endogenous carbohydrate availability to support training adaptations. In Nestle Nutrition Institute Workshop Series. Vol. 69. 2011. p. 19-31. (Nestle Nutrition Institute Workshop Series).
Philp, Andrew ; Burke, Louise M. ; Baar, Keith. / Altering endogenous carbohydrate availability to support training adaptations. Nestle Nutrition Institute Workshop Series. Vol. 69 2011. pp. 19-31 (Nestle Nutrition Institute Workshop Series).
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