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Artioli, G.G. 
ORCID: 0000-0001-8463-2213, Brisola, G.M.P., Papoti, M. and Zagatto, A.M.,
2016.
Effects of four weeks of β-alanine supplementation on repeated sprint ability in water polo players.
PLOS ONE, 11 (12), e0167968.
ISSN 1932-6203
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Abstract
The purpose of this study was to investigate the effect of four weeks of β-alanine supplementation on repeated sprint ability in water polo players. Twenty-two male water polo players participated in the study, divided randomly into two homogeneous groups (placebo and β-alanine groups). The study design was double-blind, parallel and placebo controlled. Before and after the supplementation period (28 days), the athletes performed two specific repeated sprint ability tests interspaced by a 30-minute swimming test. Participants received 4.8g∙day-1 of the supplement (dextrose or β-alanine) on the first 10 days and 6.4g∙day-1 on the final 18 days. There was no significant group-time interaction for any variable. The qualitative inference for substantial changes demonstrated a likely beneficial effect in the β-alanine group (β-alanine vs placebo) for mean time (6.6±0.4s vs 6.7±0.4s; 81% likely beneficial), worst time (6.9±0.5s vs 7.1±0.5s; 78% likely beneficial) and total time (39.3±2.5s vs 40.4±2.5s; 81% likely beneficial) in the first repeated sprint ability set and for worst time (7.2±0.6s vs 7.5±0.6s; 57% possible beneficial) in the second repeated sprint ability set. Further, was found substantial change for total time for both repeated sprint ability tests (80.8±5.7s vs 83.4±5.6s; 52% possible beneficial). To conclude, four weeks of β-alanine supplementation had a likely beneficial effect in the first set of repeated sprint ability tests and a possible beneficial effect for worst time in the second set performed in a specific protocol in water polo players.
| Item Type: | Journal article | ||||
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| Publication Title: | PLOS ONE | ||||
| Creators: | Artioli, G.G., Brisola, G.M.P., Papoti, M. and Zagatto, A.M. | ||||
| Publisher: | Public Library of Science | ||||
| Date: | 8 December 2016 | ||||
| Volume: | 11 | ||||
| Number: | 12 | ||||
| ISSN: | 1932-6203 | ||||
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| Divisions: | Schools > School of Science and Technology | ||||
| Record created by: | Jonathan Gallacher | ||||
| Date Added: | 20 Feb 2017 15:52 | ||||
| Last Modified: | 30 Jun 2017 14:59 | ||||
| URI: | https://irep.ntu.ac.uk/id/eprint/30233 |
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