Moderate-dose caffeine enhances anaerobic performance without altering hydration status.
| Autor: | Mor A; Department of Coaching Education, Faculty of Sport Sciences, Sinop University, Sinop, Türkiye., Acar K; Department of Physical Education and Sports, Faculty of Sport Sciences, Sinop University, Sinop, Türkiye., Alexe DI; Department of Physical and Occupational Therapy, 'Vasile Alecsandri' University of Bacau, Bacau, Romania., Mor H; Department of Coaching Education, Yasar Doğu Faculty of Sport Sciences, Ondokuz Mayıs University, Samsun, Türkiye., Abdioğlu M; Faculty of Sport Sciences, Institute of Health Sciences, Ankara University, Ankara, Türkiye., Man MC; Department of Physical Education, 1 Decembrie 1918 University, Alba Iulia, Romania., Karakaș F; Department of Physical Education and Sports, Faculty of Sport Sciences, Sinop University, Sinop, Türkiye., Waer FB; Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia., Yılmaz AK; Recreation Department, Yasar Doğu Faculty of Sport Sciences, Ondokuz Mayıs University, Samsun, Türkiye., Alexe CI; Department of Physical Education and Sports Performance, 'Vasile Alecsandri' University of Bacau, Bacau, Romania. |
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| Jazyk: | angličtina |
| Zdroj: | Frontiers in nutrition [Front Nutr] 2024 Jul 09; Vol. 11, pp. 1359999. Date of Electronic Publication: 2024 Jul 09 (Print Publication: 2024). |
| DOI: | 10.3389/fnut.2024.1359999 |
| Abstrakt: | The effects of direct nutritional supplements on athletic performance are still being investigated and arouse curiosity. Only one study in the literature was found that investigated the kicking speed performance of futsal players following low-dose caffeine supplementation (3 mg/kg); thus, the question of whether caffeine supplementation improves kicking speed as well as essential physical parameters in soccer players is still controversial. Therefore, the aim of this study was to determine the effect of caffeine supplementation on vertical jump (VJ), sprint, reaction time, balance, change of direction (COD), and ball-kicking speed in soccer players. In a double-blind, cross-over design, nine moderately trained male soccer players (21.11 ± 2.02 years, 171.22 ± 6.14 cm, 71.78 ± 10.02 kg) consumed caffeine (6 mg/kg) or a placebo 60 min before completing balance, reaction time, vertical jump, agility, 30 m sprint, and ball-kicking speed tests. Greater VJ height ( p = 0.01) and power ( p = 0.08), and faster completion time according to the Illinois Agility Test ( p = 0.08) were found following caffeine supplementation compared to placebo. Elapsed time ( p = 0.01), average ( p = 0.01) time, and the slowest reaction times ( p = 0.016) were significantly reduced after caffeine consumption compared to placebo supplementation. Caffeine intake significantly improved VJ, agility, and reaction time ( p < 0.05) but did not affect 30 m sprint, ball-kicking speed, balance, and RPE values in soccer players ( p > 0.05). Although non-significant, caffeine intake also improved sprint (0.67%) and ball kicking (2.7%) performance percentages. Also, caffeine consumption did not induce dehydration, and the athletes' body hydration levels were normal. These findings support the use of caffeine supplementation as an effective nutritional ergogenic aid to enhance anaerobic performance, at least for vertical jumps, COD speed, and reaction time, in trained male soccer players. Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. (Copyright © 2024 Mor, Acar, Alexe, Mor, Abdioğlu, Man, Karakaș, Waer, Yılmaz and Alexe.) |
| Databáze: | MEDLINE |
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