| The increasing competitiveness and commercialisation of sport in recent years has led both to the increasing use of ergogenic aids to promote performance and their scientific and rational use in the field through sports science research. This has added to our knowledge of the physiology of muscle fatigue in both high intensity and endurance sport. The use of creatine and caffeine, which have been shown to be effective in combating these two types of fatigue, is commented upon here. |