Caffeine Study Shows Sport Performance Increase
Mayur said: "There is already plenty of research that shows that caffeine and carbohydrate improve endurance, but this study shows that there is also a positive effect on skill and performance."
Dec 15 2011 --- Caffeine combined with carbohydrate could be used to help athletes perform better on the field, according to new research by a sport nutrition expert.
Mayur Ranchordas, a senior lecturer and performance nutritionist at Sheffield Hallam University, carried out studies on footballers using caffeine and carbohydrates combined in a drink. Along with improvements in endurance caused by ingesting carbohydrate, the athletes' skill level improved after taking caffeine and carbohydrate together.
Mayur said: "There is already plenty of research that shows that caffeine and carbohydrate improve endurance, but this study shows that there is also a positive effect on skill and performance.
"We carried out three different soccer-specific match simulations of 90 minutes each - two 45 minute sessions - that tested agility, dribbling, heading and kicking accuracy. The test was designed to mimic a football game where the participants had to carry out multiple repeated sprints, dribble the ball around cones and shoot accurately.
"We found that the combination of carbohydrate and caffeine allowed players to sustain higher work intensity for the sprints, as well as improving shooting accuracy and dribbling during simulated soccer activity.
"These findings suggest that, for athletes competing in team sports where endurance and skill are important factors, ingesting a carbohydrate and caffeine drink, as opposed to just a carbohydrate drink, may significantly enhance performance. Our findings suggest that soccer players should choose a carbohydrate caffeine drink over a carbohydrate drink to consume before kick off and at half-time."
But while caffeine is regarded by some as being a potent stimulant, the debate continues as to whether it enhances exercise performance. A range of expert opinions capture the scope of this ongoing debate in an informative roundtable discussion published in Journal of Caffeine Research, a quarterly peer-reviewed journal from Mary Ann Liebert, Inc. The roundtable discussion is available online at www.liebertpub.com/jcr.
Led by Journal of Caffeine Research Editor-in-Chief Jack E. James, PhD, National University of Ireland, Galway, Ireland, the roundtable “Caffeine and Physical Performance” presents a range of views on the extent to which caffeine may enhance athletic performance. While the participants appear to agree that caffeine is likely to have performance-enhancing effects and seems to have the broadest effects of known stimulants for enhancing performance and endurance, they emphasize that the study data have been mixed. Many factors can affect caffeine’s impact on performance, including the type of exercise or sport and whether it is aerobic or anaerobic, caffeine dosing, the use of other stimulants (poly-supplementation), and the length of rest intervals. Additional studies are needed to understand what factors can boost or inhibit the effects of caffeine and why some people may achieve enhanced performance with caffeine while others will not.
A research article in that same issue by Richard Bloomer, PhD and colleagues, Cardiorespiratory/Metabolic Laboratory, University of Memphis, looks specifically at the effects of caffeine and 1,3-dimethylamylamine (1,3-D, a natural stimulant derived from geranium flowers) on exercise performance. The researchers compared the effects of these stimulants, taken alone or in combination, on run times by participants in a 10-kilometer run.
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