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Significant Energy Deficit and Suboptimal Sleep During a Junior Academy Tennis Training Camp
James A Fleming1,2, Liam D Corr1, James Earle3
1The University of Huddersfield.
Pediatric Exercise Science
|March 8, 2022
Summary
Junior tennis players experienced significant energy deficits and poor sleep during a training camp, highlighting a need for improved nutritional and recovery strategies to optimize performance and well-being.
Area of Science:
- Sports Science
- Exercise Physiology
- Nutrition Science
Background:
- Junior tennis players undergo intense training camps.
- Monitoring physiological responses is crucial for athlete development.
Purpose of the Study:
- To assess training load, energy expenditure, dietary intake, and sleep in junior tennis players during a camp.
Main Methods:
- Ten junior players (14 years) participated in a 6-day camp.
- Accelerometers and GPS monitored activity, energy expenditure, and external load.
- Dietary intake was recorded via food diaries and photography.
Main Results:
- Higher training load (distance, PlayerLoad™) in morning vs. afternoon sessions.
- Greater distance and velocity during simulated match play vs. drills.
- Significant daily energy deficit (mean 1433 kcal) and suboptimal sleep (6.9 hours, 28 awakenings).
Conclusions:
- Junior tennis players failed to achieve energy balance during the camp.
- Sleep quantity and quality were suboptimal, impacting recovery.
- Findings suggest a need for enhanced nutritional support and recovery protocols.
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