Caffeine Enhances Cognitive Function and Skill Performance during Simulated Soccer Activity

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dc.contributor.author Foskett, A en
dc.contributor.author Ali, A en
dc.contributor.author Gant, Nicholas en
dc.date.accessioned 2012-03-14T00:33:00Z en
dc.date.issued 2009 en
dc.identifier.citation International Journal of Sports Nutrition and Exercise Metabolism 19(4):410-423 2009 en
dc.identifier.issn 1526-484X en
dc.identifier.uri http://hdl.handle.net/2292/14290 en
dc.description.abstract There is little evidence regarding the benefits of caffeine ingestion on cognitive function and skillful actions during sporting performance, especially in sports that are multifaceted in their physiological, skill, and cognitive demands. Purpose: To examine the influence of caffeine on performance during simulated soccer activity. Methods: Twelve male soccer players completed two 90-min soccer-specific intermittent running trials interspersed with tests of soccer skill (LSPT). The trials were separated by 7 days and adhered to a randomized crossover design. On each occasion participants ingested 6 mg/kg body mass (BM) of caffeine (CAF) or a placebo (PLA) in a double-blind fashion 60 min before exercise. Movement time, penalties accrued, and total time were recorded for the LSPT. Physiological and performance markers were measured throughout the protocol. Water (3 ml/kg BM) was ingested every 15 min. Results: Participants accrued significantly less penalty time in the CAF trial (9.7 ± 6.6 s vs. PLA 11.6 ± 7.4 s; p = .02), leading to a significantly lower total time in this trial (CAF 51.6 ± 7.7 s vs. PLA 53.9 ± 8.5 s; p = .02). This decrease in penalty time was probably attributable to an increased passing accuracy in the CAF trial (p = .06). Jump height was 2.7% (± 1.1%) higher in the CAF trial (57.1 ± 5.1 cm vs. PLA 55.6 ± 5.1 cm; p = .01). Conclusions: Caffeine ingestion before simulated soccer activity improved players’ passing accuracy and jump performance without any detrimental effects on other performance parameters. en
dc.publisher Human Kinetics en
dc.relation.ispartofseries International Journal of Sports Nutrition and Exercise Metabolism en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/1526-484X/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Caffeine Enhances Cognitive Function and Skill Performance during Simulated Soccer Activity en
dc.type Journal Article en
pubs.issue 4 en
pubs.begin-page 410 en
pubs.volume 19 en
dc.rights.holder Copyright: Human Kinetics en
dc.identifier.pmid 19827465 en
pubs.author-url http://journals.humankinetics.com/AcuCustom/SiteName/Documents/DocumentItem/17289.pdf en
pubs.end-page 423 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 196227 en
pubs.org-id Science en
pubs.org-id Exercise Sciences en
pubs.record-created-at-source-date 2010-12-14 en
pubs.dimensions-id 19827465 en


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