Dietary Composition Influences Short-term Endurance Training–Induced Adaptations of Substrate Partitioning during Exercise

May 8, 2004International journal of sport nutrition and exercise metabolism

How Diet Changes Affect Short-Term Endurance Training’s Impact on Fuel Use During Exercise

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Abstract

A 10-day high fat diet combined with daily aerobic training led to substantial increases in whole body lipid oxidation during exercise.

  • High carbohydrate and high carbohydrate plus training diets did not affect exercise metabolism.
  • A high fat diet reduced glucose usage at the end of exercise.
  • Daily aerobic training with a high fat diet significantly increased lipid oxidation during exercise.
  • Despite differences in substrate use adaptations, both dietary groups showed similar improvements in time trial performance.

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