Transcranial Direct Current Stimulation Decreases the Decline of Speed during Repeated Sprinting in Basketball Athletes

Che-Hsiu Chen, Yu-Chun Chen, Ren-Shiang Jiang, Lok-Yin Lo, I-Lin Wang and Chih-Hui Chiu
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Che-Hsiu Chen: Department of Sport Performance, National Taiwan University of Sport, Taichung 404, Taiwan
Yu-Chun Chen: Department of Physical Education, National Taiwan University of Sport, Taichung 404, Taiwan
Ren-Shiang Jiang: Department of Physical Education, National Taiwan University of Sport, Taichung 404, Taiwan
Lok-Yin Lo: Graduate Program in Department of Exercise Health Science, National Taiwan University of Sport, Taichung 404, Taiwan
I-Lin Wang: College of Physical Education, Hubei Normal University, Huangshi 435002, China
Chih-Hui Chiu: Graduate Program in Department of Exercise Health Science, National Taiwan University of Sport, Taichung 404, Taiwan

IJERPH, 2021, vol. 18, issue 13, 1-8

Abstract: The purpose of this study was to determine whether transcranial direct current stimulation (tDCS) can improve countermovement jump performance, fatigue index and alleviate the speed decline during repeated shuttle sprints in trained basketball players. Thirteen trained basketball players were divided into the tDCS trial and sham trial by the random crossover design. The tDCS trial was stimulated with 2-mA current in the M1 area in the middle of the top of the head for 20 min. For the sham trial, the current was turned off after 5 s, stopping the electrical stimulation. After warming up, the players underwent countermovement jump test, weighted countermovement jump test and then performed 40 × 15-m sprints with with a 1:4 exercise: rest ratio. The jump height, sprinting time, fatigue index, heart rate and rating of perceived exertion (RPE) were analyzed by paired-sample t-test, when significance was discovered by two-way repeated measures analysis of variance. The study results revealed that the tDCS trial significantly increase the countermovement jump performance ( p = 0.04), decrease the sprinting time ( p = 0.016), and had improved fatigue index during the sprinting process ( p = 0.009). However, the heart rate and RPE during sprinting were nonsignificantly different between the trials. This study has identified that tDCS can decrease the speed decline, fatigue index during sprinting and increase countermovement jump performance without affecting heart rate or the rating of perceived exertion.

Keywords: fatigue; ATP-PC; power; countermovement jump; sprint (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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