Short term creatine loading without weight gain improves sprint, agility and leg strength performance in female futsal players

Journal article


Atakan, M. M., Karavelioğlu, M. B., Harmancı, H., Cook, M. and Bulut, S.. (2019). Short term creatine loading without weight gain improves sprint, agility and leg strength performance in female futsal players. Science and Sports. 34(5), pp. 321-327. https://doi.org/10.1016/j.scispo.2018.11.003
AuthorsAtakan, M. M., Karavelioğlu, M. B., Harmancı, H., Cook, M. and Bulut, S.
Abstract

[English]

Objectives
Futsal game requires players to perform frequent bouts of high-intensity activity with limited rest periods that are not sufficient for full recovery. Therefore, creatine supplementation may enhance performance by improving recovery rate. Along with this, the number of studies conducted to determine the effects of creatine on performance in the females is scarce. Thus, the main aim of this study is to identify the effects of short-term (7/day) creatine supplementation on leg strength, velocity and agility in young female futsal players.

Equipment and methods
A total of thirty of young female futsal players (aged: 19.83 ± 1.13 years) participated in the study which was designed as randomized and double-blind, on a voluntary basis. Participants were randomly assigned either to creatine (n = 15) or placebo (n = 15) group. Over 7 days, creatine group received 0.25 g/kg/day micronized pure creatine monohydrate (Creapure, Hardline Nutrition, Kavi Gıda Istanbul, Turkey) and placebo group did not take any supplements, apart from maltodextrin (Fantomalt, Nutricia, United Kingdom). Before and after 7 days of loading creatine supplementation, body weight, leg strength, velocity and agility performance of the participants were determined. The data obtained were analysed with ANCOVA statistical model.

Results
Creatine supplementation significantly improved 10 m, 20 m and 30 m speed performances (P < 0.05), leg strength (P < 0.05) and agility (P < 0.05) in female futsal players. Depending on the creatine loading, however, no significant change in body weight was observed (P > 0.05). The data obtained provide that 7 days low dose creatine supplementation may be an effective approach for improving exercise capacity in female futsal players without an associated increase in body weight.

[French]

Objectifs
Le jeu de futsal exige que les joueurs effectuent de fréquentes périodes d’activité de haute intensité avec des périodes de repos limitées qui ne sont pas suffisantes pour une récupération complète. Par conséquent, la supplémentation en créatine peut améliorer les performances en améliorant le taux de récupération. Parallèlement à cela, le nombre d’études menées pour déterminer les effets de la créatine sur la performance chez les femmes est rare. Ainsi, le but principal de cette étude est d’identifier les effets de la supplémentation en créatine à court terme (7/jour) sur puissance des jambes, la vélocité et l’agilité chez les jeunes joueuses de futsal féminines.

Équipement et méthodes
Au total, une trentaine de jeunes joueuses de futsal (âgées de 19,83 ± 1,13 ans) ont participé à l’étude, conçue comme une étude randomisée et en double insu, sur base volontaire. Les participants ont été assignés au hasard soit au groupe créatine (n = 15) ou au groupe Placebo (n = 15). Sur 7 jours, le groupe créatine a reçu 0,25 g/kg/jour de monohydrate de créatine pure micronisée (Creapure, Hardline Nutrition, Kavi Gida Istanbul, Turquie) et le groupe placebo n’a pas pris de suppléments hormis la maltodextrine (Fantomalt, Nutricia, Royaume-Uni). Avant et après 7 jours de chargement de supplémentation en créatine, le poids corporel, la force des jambes, la vélocité et l’agilité des participants ont été déterminés. Les données obtenues ont été analysées avec le modèle statistique ANCOVA.

Résultats
La supplémentation en créatine a significativement amélioré les performances en vitesse de 10 m, 20 m et 30 m (p < 0,05), la force des jambes (p < 0,05) et l’agilité (p < 0,05) chez les joueuses de futsal. Cependant, en fonction de la charge en créatine, aucun changement significatif du poids corporel n’a été observé (p < 0,05). Les données obtenues indiquent qu’une supplémentation en créatine à faible dose de 7 jours peut être une approche efficace pour améliorer la capacité d’exercice chez les joueuses féminines de futsal sans augmentation associée du poids corporel.

Keywordscreatine; ergogenic aid; Futsal; female; performance; créatine; aide ergogénique; Futsal; féminines; performance
Year2019
JournalScience and Sports
Journal citation34 (5), pp. 321-327
PublisherElsevier Masson SAS
ISSN0765-1597
Digital Object Identifier (DOI)https://doi.org/10.1016/j.scispo.2018.11.003
Scopus EID2-s2.0-85058568191
Research or scholarlyResearch
Page range321-327
Publisher's version
License
All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Online18 Dec 2018
Publication process dates
Accepted04 Nov 2018
Deposited22 Nov 2021
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