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Original Research

Open Access Special Issue

Examining the effect of transcranial direct current stimulation on the dominant motor cortex in the indirect measurement of physical ability

  • Inchon Park1
  • Youngsook Kim2
  • Seung Kyum Kim1,*,

1Department of Sports Science, Seoul National University of Science and Technology, 01794 Seoul, Republic of Korea

2Department of Sports Science, Korean Institute of Sports Science, 01794 Seoul, Republic of Korea

DOI: 10.31083/j.jomh1803069 Vol.18,Issue 3,March 2022 pp.1-9

Submitted: 14 October 2021 Accepted: 03 December 2021

Published: 31 March 2022

(This article belongs to the Special Issue Sports and physical activities for men’s health)

*Corresponding Author(s): Seung Kyum Kim E-mail:


Background: The effects of transcranial direct current stimulation (tDCS) on specific sports skills have received extensive attention, however, it is difficult to accurately determine its effect on physical performance due to the complexity of the tasks. The objective of this study was to investigate the effects of uni-hemispheric anodal tDCS of the motor cortex (M1) on the indirect measurement of physical ability in healthy men. Methods: Thirteen healthy, right-leg-dominant men aged between 21 and 32 years (26.53 ± 2.73 years) participated in two different experimental conditions in a randomized, single-blinded crossover design: anodal stimulation (a-tDCS) and sham-tDCS (2 mA for 20 minutes targeting the left M1 contralateral to dominant leg). Before and immediately after the tDCS stimulation, participants completed the standing long jump (SLJ) and sidestep test (SST), and their blood pressure and heart rate werechecked for the safety of tDCS application. Results: No significant difference was observed between a-tDCS and sham-tDCS (F(1,24) = 0.02, p = 0.86, η2 p = 0.001) on SLJ. Also, no significant changes in SLJ were observed between pre- and post-stimulation sessions for both conditions (F(1,24) = 1.18, p = 0.28, η2 p = 0.047). Similarly, SST scores were not significantly different from a-tDCS and sham-tDCS condition (F(1,24) = 0.57, p = 0.45, η2 p = 0.024). Significant changes in SST were not observed throughout the experiment sessions for both stimulation conditions (F(1,24) = 0.12, p = 0.73, η2 p = 0.005). Conclusions: The uni-hemispheric a-tDCS applied over the M1 for 20 minutes may not be a valuable tool to obtain the physical performance benefits from the tasks that require bilateral lower limb power output, such as SLJ and SST.


Physical performance; tDCS; Primary motor cortex (M1); Agility

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Inchon Park,Youngsook Kim,Seung Kyum Kim. Examining the effect of transcranial direct current stimulation on the dominant motor cortex in the indirect measurement of physical ability. Journal of Men's Health. 2022. 18(3);1-9.


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