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Updated: Jul 8, 2026
05:45
Experimental Approach to Examine Leptin Signaling in the Carotid Bodies and its Effects on Control of Breathing
Published on: October 25, 2019
Relationships between leptin levels and carbohydrate intake during rowing training.
F D Desgorces1, M Chennaoui, C Drogou
1Department of Physiology, IMASSA - BP 73, Brétigny/Orge Cedex, France. f.desgorces@free.fr
The Journal of Sports Medicine and Physical Fitness
|January 24, 2008
Summary
Rowers increased carbohydrate intake during training, leading to changes in leptin levels. This dietary shift may help maintain energy balance during intense exercise.
Area of Science:
- Sports Science
- Human Physiology
- Nutritional Science
Background:
- Leptin plays a crucial role in regulating energy balance and appetite.
- Rowing training involves significant energy expenditure and physiological adaptations.
- Understanding diet-leptin interactions is vital for optimizing athlete performance and health.
Purpose of the Study:
- To investigate the relationship between dietary intake and leptin levels in heavyweight rowers throughout an 8-month training season.
- To assess changes in energy intake, macronutrient composition, and leptin response to exercise.
Main Methods:
- Dietary intake assessed via 3-day food records.
- Training volume monitored.
- Leptin levels measured before, during, and after a 90-minute exercise bout at the beginning and end of the season.
Main Results:
- Significant increases in energy and carbohydrate intake observed over the training season.
- Resting leptin levels remained unchanged, but delayed decreases occurred post-exercise.
- Post-exercise leptin levels correlated positively with carbohydrate intake at the season's end.
Conclusions:
- Rowers exhibit increased carbohydrate consumption during a training season.
- Repeated exercise-induced hypoleptinemia may influence carbohydrate selection to maintain energy homeostasis.
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