Multiple effects of caffeine on stimulated high-intensity team-sport performance

Article Abstract:

The effects of caffeine on simulated team-sport performance, specifically the physical activity and skill demand of a rugby union game and the relationship between changes in performance with caffeine and changes in plasma epinephrine concentration are described. It is shown that caffeine is likely to produce substantial enhancement of several aspects of high-intensity team-sport performance.

Analysis, Ingestion, Athletes

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Salivary IgA responses to prolonged intensive exercise following caffeine ingestion

Article Abstract:

A study aims to investigate the effect of prior caffeine ingestion on salivary IgA (s-IgA) and flow rate responses to prolonged, intensive exercise. The findings suggest that caffeine ingestion before intensive exercise is associated with elevated s-IgA responses during exercise, which are related to increases in sympathetic activation.

United States, Risk factors, Respiratory tract infections, Exercise, Composition, Salivary glands, Saliva, Immunoglobulins

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