Glycogen availability and skeletal muscle adaptations with endurance and resistance exercise

It is well established that glycogen depletion affects endurance exercise performance negatively. Moreover, numerous studies have demonstrated that post-exercise carbohydrate ingestion improves exercise recovery by increasing glycogen resynthesis. However, recent research into the effects of glycoge...

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Bibliographic Details
Published in:Nutrition & metabolism 2015-12, Vol.12 (55), p.59-59, Article 59
Main Authors: Knuiman, Pim, Hopman, Maria T E, Mensink, Marco
Format: Article
Language:English
Subjects:
Adaptation
Adenosine
ATP synthesis
Biosynthesis
Carbohydrates
Endurance exercise
Exercise
Glycogen
Glycogen availability
Heart attacks
Isometric exercise
Muscles
Musculoskeletal system
Physical fitness
Physiological aspects
Resistance exercise
Review
Rodents
Skeletal muscle
Studies
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Summary:It is well established that glycogen depletion affects endurance exercise performance negatively. Moreover, numerous studies have demonstrated that post-exercise carbohydrate ingestion improves exercise recovery by increasing glycogen resynthesis. However, recent research into the effects of glycogen availability sheds new light on the role of the widely accepted energy source for adenosine triphosphate (ATP) resynthesis during endurance exercise. Indeed, several studies showed that endurance training with low glycogen availability leads to similar and sometimes even better adaptations and performance compared to performing endurance training sessions with replenished glycogen stores. In the case of resistance exercise, a few studies have been performed on the role of glycogen availability on the early post-exercise anabolic response. However, the effects of low glycogen availability on phenotypic adaptations and performance following prolonged resistance exercise remains unclear to date. This review summarizes the current knowledge about the effects of glycogen availability on skeletal muscle adaptations for both endurance and resistance exercise. Furthermore, it describes the role of glycogen availability when both exercise modes are performed concurrently.
ISSN:1743-7075
1743-7075
DOI:10.1186/s12986-015-0055-9