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Physiological Changes in Elite Male Distance Runners Training for Olympic Competition
The Physician and Sportsmedicine
|July 22, 2016
Summary
Elite male runners preparing for the Olympics showed reduced body fat and improved anaerobic threshold. Their pulmonary function and iron metabolism differed significantly from untrained individuals, warranting further study on iron status impacts.
Area of Science:
- Sports Science
- Exercise Physiology
- Biochemistry
Background:
- Elite athletes undergo rigorous training to optimize performance.
- Periodic monitoring of physiological variables is crucial for athlete management.
- Understanding physiological adaptations in elite distance runners is key to enhancing training protocols.
Purpose of the Study:
- To evaluate physiological changes in elite male distance runners during Olympic preparation.
- To compare the physiological status of elite runners with a healthy, untrained control group.
- To identify key performance indicators and potential health-related deviations in elite athletes.
Main Methods:
- Comprehensive periodic monitoring of blood chemistry, body composition (percent body fat, lean body mass), and cardiopulmonary performance.
- Comparison of physiological data between elite runners and a matched untrained group.
- Analysis of resting pulmonary function, iron stores, and metabolism.
Main Results:
- Consistent decrease in percent body fat (5.4% to 4.6%, p <.05) and increase in anaerobic threshold observed in runners.
- Runners exhibited elevated resting pulmonary function (diffusing capacity, maximum voluntary ventilation, peak expiratory flow rate) compared to controls.
- Significant deviations in iron stores and metabolism were noted in the elite runner group.
Conclusions:
- Elite male distance runners exhibit distinct physiological profiles, including lower body fat and enhanced cardiopulmonary function.
- Altered iron status is a consistent finding in elite runners, but its impact on performance and the efficacy of supplementation require further research.
- Periodic monitoring provides valuable insights into athlete adaptation and potential health considerations.
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