NUTRITION IN SPORT

events at power outputs corresponding to 150–300% V . o2max.lasting less than 90 s. The amount of energy derived from anaerobic ...

on portions of the CNS that alter the perception of effort and/or motor unit recruitment. Metabolic mechanisms for improved exer ...

bic energy provision from glycogen breakdown and the glycolytic pathway may contribute to the improvement in performance during ...

simply heightened arousal. Because they are also related to peripheral metabolic effects, the fol- lowing topics are of special ...

(ii) subjects accomplished a greater amount of work following caffeine ingestion than controls when RPE was held constant (Ivy e ...

indirectly affected by which compound (Fig. 28.5). Due to this uncertainty, the reader should note that when the term ‘caffeine’ ...

been caught with illegal levels during competi- tions, although formal reports of the frequency of caffeine abuse are rare. One ...

Conclusion Caffeine ingestion (3–13 mg · kg–1 body mass) prior to exercise increases performance during prolonged endurance cycl ...

Daly, J.W. (1993) Mechanism of action of caffeine. In Caffeine, Coffee, and Health(ed. S. Garatttini), pp. 97–150. Raven Press, ...

Cederblad, G. & Graham, T.E. (1992) Caffeine inges- tion and muscle metabolism during prolonged exer- cise in humans. Americ ...

Introduction The ability to resist fatigue is an important aspect of many types of sporting activity, whether it be short-term, ...

sis to be maintained. When this is not the case, and the number of H+ions increases, the pH of the blood (which is normally arou ...

forms sodium lactate and carbonic acid. Eventu- ally this forms added carbon dioxide and water. Effects of sodium bicarbonate an ...

acidic and established that this regimen made them less able to use oxygen efficiently. In turn, this led the researchers to inf ...

control during the dosing phase and throughout the exercise. At the start of the final exercise phase, pH in the bicarbonate tre ...

letes are unable to make concrete choices about, for example, how much sodium bicarbonate/ citrate should be used or over what t ...

in a linear fashion with increasing dosage. Improvements in performance, however, did not follow the increasing levels of blood ...

each of the eight subjects. The work output increased significantly (P<0.01) in the experi- mental condition when compared wi ...

pH of less than 6.8, whereas in the placebo group, none was greater than a pH of 7.0. McKenzie (1988) suggested using a pH of 7. ...

Donaldson, S.K.B. & Hermansen, L. (1978) Differential direct effects of H+and Ca^2 +-activated force of skinned fibres from ...