Tuesday, February 1, 2011

Caffeine Addendum

As a follow-up to a previous entry on performance enhancement via caffeine, here are a few more recent articles and their relevancy to distance running performance:

Caffeine is effective for enhancing sport performance in trained athletes when consumed in low-to-moderate dosages (~3-6 mg/kg) and overall does not result in further enhancement in performance when consumed in higher dosages (>/= 9 mg/kg).
Caffeine exerts a greater ergogenic effect when consumed in an anhydrous state as compared to coffee.
Caffeine is ergogenic for sustained maximal endurance exercise, and has been shown to be highly effective for time-trial performance.
The scientific literature does not support caffeine-induced diuresis during exercise, or any harmful change in fluid balance that would negatively affect performance.
A 3 mg · kg(-1) dose of caffeine significantly improves exercise performance irrespective of whether a 4-day withdrawal period is imposed on habitual caffeine users.
How to Boost Long-Distance Performance with Caffeine

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