Creatine Supplementation

However if isokinetic parameters are measured there

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Unformatted text preview: netic parameters are measured, there is more discrepancy in the findings, and if isometric parameters are assessed it seems that there is little benefit from Cr supplementation. It also appears that both men and women can benefit from Cr, as well as both young and old participants, although some conflicting evidence with regard to age exists in the published literature. Training status may impact Cr uptake during a loading phase, in that highly trained individuals may not require a loading period since intramuscular levels may already be elevated. Finally, it should be remembered that there are both responders and nonresponders in all groups and that this can impact the potential ergogenic effects of Cr. Acknowledgements No sources of funding were used to assist in the preparation of this review. The authors have no conflicts of interest that are directly relevant to the content of this review. 2005 Adis Data Information BV. All rights reserved. References 1. Grindstaff PD, Kreider R, Bishop R, et al. Effects of oral creatine supplementation on repetitive spring performance and body composition in competitive swimmers. Int J Sport Nutr 1997; 7: 330-46 2. Berman S, Venembre P, Sachet C, et al. Effects of creatine monohydrate ingestion in sedentary and weight-trained older adults. Acta Physiol Scand 1998; 164: 147-55 3. Rawson ES, Clarkson PM. Acute creatine supplementation in older men. Int J Sports Med 1999; 21: 71-5 4. Rawson ES, Wehnert ML, Clarkson PM. Effects of 30 days of creatine ingestion in older men. Eur J Appl Physiol 1999; 80: 139-44 5. Smith SA, Montain SJ, Matott RP, et al. Creatine supplementation and age influence on muscle metabolism during exercise. J Appl Physiol 1998; 85: 1349-56 6. Unnithan BV, Veehof SHE, Vella CA, et al. Is there a physiologic basis for creatine use in children and adolescents? J Strength Cond Res 2002; 15 (4): 524-8 7. Demant TW, Rhodes FC. Effects of creatine supplementation on exercise performance. Sports Med 1999; 28 (1): 46-60 8. Terjung RL, Clarkson...
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