Changes in glutamine and glutamate concentrations for tracking training tolerance

Article Abstract:

Glutamine (Gm) and glutamate (Ga) concentration changes and their use for tracking training tolerance have been studied relative to overtraining. An athlete tolerance-to-training model has been proposed based on the data for different training conditions. In the model glutamine concentration reflects tolerance to volume of work and glutamate concentration reflects tolerance to high-intensity training. The Gm/Ga relationship may in general represent overall tolerance to training.

Canada, Methods, Glutamate, Biological monitoring, Glutamine metabolism

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Indices of lactate threshold and their relationship with 10-km running velocity

Article Abstract:

This article examines the validity of several methods of measuring lactate threshold during long-distance running. Findings indicate that a method that calculates the velocity associated with a specific blood lactate profile serves as a useful tool in estimating an optimal running speed that can be maintained for over forty minutes.

Measurement, Running, Lactates

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Little effects of caffeine ingestion on repeated sprints in team sport athletes

Article Abstract:

This article examines the relationship between caffeine ingestion and athletic performance on subsequent repeated sprinting trials. Findings indicate that caffeine has minimal negative effects on sprinting performance and fatigue levels of male athletes involved in team sports.

Caffeine, Ergogenic aids, Sprinting

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