咖啡因的摄入增加了训练有素的跳高运动员的反向跳跃表现

IF 2.4 Q3 NUTRITION & DIETETICS
Ana C. Santos-Mariano , Gislaine Cristina-Souza , Pâmela Souza Santos , Pablo Ramon Domingos , Pedro De-Oliveira , Romulo Bertuzzi , Cintia Rodacki , Adriano E. Lima-Silva
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引用次数: 0

摘要

咖啡因(CAF)已被证明是一种有效的促氧剂,可以改善反运动跳跃测试(CMJ)的表现。然而,这种改善是否会在训练有素的跳高运动员身上重现,还没有得到评估。方法为了确定咖啡因摄入对CMJ表现的影响,8名训练有素的跳高运动员(5男3女)在摄入纤维素(PLA)或CAF (5mg) 1小时后进行了3次CMJ。Kg−1体重)。利用力平台记录了CMJ过程中获得的运动学和动力学参数。结果与PLA相比,CAF提高了CMJ高度(+11.74±12.78%,P = 0.040)、峰值功率(+8.75±7.74%,P = 0.012)、峰值速度(+5.55±6.11%,P = 0.038)和峰值功率速度(+5.92±6.91%,P = 0.051)。CAF摄入量对接触时间(P = 0.751)、峰值力(P = 0.920)、力发展率(P = 0.546)和峰值力GRF (P = 0.155)无影响。摄食CAF后跳跃高度百分比增加与峰值功率百分比增加(P = 0.006)和峰值功率速度百分比增加(P = 0.001)显著相关,但与峰值功率GRF百分比增加无关(P = 0.835)。结论:摄入caf可以提高训练有素的跳高运动员在CMJ中的跳跃表现,这可能是由于跳跃速度的提高。考虑到在训练有素的运动员中提高成绩的困难,我们的研究结果表明,CAF对于这一人群来说是一种强大的促肌力补充剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Caffeine intake increases countermovement jump performance in well-trained high jumpers

Background

Caffeine (CAF) has been shown to be an efficient ergogenic in improving the performance of countermovement jump tests (CMJ). However, it has not been evaluated whether this improvement reproduces itself in well-trained high jumpers.

Methods

To determine the effect of caffeine ingestion on CMJ performance, eight (5 men and 3 women) well-trained high-jumpers performed three CMJ one hour after the ingestion of cellulose (PLA) or CAF (5 mg.kg−1 body mass). The kinematic and kinetic parameters obtained during the CMJ were recorded using a force platform.

Results

Compared with the PLA, CAF increased CMJ height (+11.74 ± 12.78%, P = 0.040), peak power (+8.75 ± 7.74%, P = 0.012), peak velocity (+5.55 ± 6.11%, P = 0.038), and velocity at peak power (+5.92 ± 6.91%, P = 0.051). CAF intake had no influence on contact time (P = 0.751), peak force (P = 0.920), rate of force development (P = 0.546), and GRF at peak power (P = 0.155). The percentage gain in jump height with CAF ingestion was significantly correlated with the percentage gain in peak power (P = 0.006) and velocity at peak power (P = 0.001), but not with the percentage gain in GRF at peak power (P = 0.835).

Conclusion

CAF ingestion improves jumping performance during a CMJ in well-trained high jumpers, probably due to gains in jump velocity. Considering the difficulties of improving performance in well-trained athletes, our findings suggest that CAF is a powerful ergogenic supplement for this population.

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来源期刊
PharmaNutrition
PharmaNutrition Agricultural and Biological Sciences-Food Science
CiteScore
5.70
自引率
3.10%
发文量
33
审稿时长
12 days
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