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GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE
A Journal on Internal Medicine and Pharmacology
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Scopus, Emerging Sources Citation Index
Gazzetta Medica Italiana Archivio per le Scienze Mediche 2011 December;170(6):405-10
Voluntary fluid intake and dehydration in elite futsal players during official competition
García-Jiménez J. V. 1, Yuste J. L. 1, García-Pellicer J. J. 1, Pérez-Jorge J. A. 2, López-Román F. J. 3
1 Department of Physical Education, Faculty of Education, University of Murcia, Murcia, Spain
2 Department of Physical Education and Sport, Faculty of Education, University of Córdoba, Córdoba, Spain
3 Department of Exercise Physiology, San Antonio Catholic University, Murcia, Spain
Aim. Futsal is a variant of soccer that is played on a smaller playing surface and mainly played indoors. It is played between two teams of five players, and unlimited substitutions per team are permitted. The purpose of this study was to determine fluid balance and dehydration in elite futsal players during official competition.
Methods. We tested ten male elite futsal players (mean±SD: age: 27.1±3.4 y; weight 76.4±6.5 kg; height 1.77±0.06) during six official games (22-26 ºC and relative humidity 33-42.33%) from the first division league in Spain. Sweat loss was calculated through changes in body mass and the end of each game, after correction for fluid intake (ad libitum) and urine loss.
Results. Mean fluid intake (FI) was 1.5±0.7 L, consuming 68.8±31.9% of total fluid loss. The mean body mass loss was 0.8±0.7kg, equivalent to a level of dehydration of 1.0±1.0%, wich is not seen as affecting their performance. Bonferroni post hoc test showed that there are no significant differences in the results obtained between the games (P>0.05).
Conclusion. We conclude that in these elite futsal players hydration status can be seen to maintain itself through regular substitutions and the correct level of fluid intake. However, data allow for an individualisation of player hydration strategies.