
INTERVIEW: How to Fuel For Maximum Endurance Performance
The Real Science of Sport Podcast
Effects of Energy Restriction on Elite Athletes
Energy restriction in elite athletes can lead to low energy availability, impacting performance. A study on race walkers showed that a 40% energy intake restriction for nine days resulted in a 2kg body mass loss, mainly in body fat (~1.6kg). Despite restoring energy levels post-restriction, the athletes did not perform better than those who maintained a balanced diet during a 10,000-meter race, highlighting the complex relationship between energy restriction, body composition, and athletic performance in elite athletes.
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