靶向性调控胫骨前肌对静态平衡的影响——基于经颅直流电刺激的干预

Subjects: Mechanics >> Applied Mechanics submitted time 2023-03-20 Cooperative journals: 《应用力学学报》

梁志强 江勇 教富佳 朱春月 付田莉 周俊鸿 吕娇娇 刘宇

Abstract： The aim of this study was to explore the effect of targeted modulation of the tibialis anterior muscle by transcranial direct current stimulation ( tDCS) on static balance performance.Totally 24 collegestudents received 20 min of tDCS and sham on tibialis anterior muscle at 2 mA in a randomized order.Transcranial magnetic stimulation (TMS) and balance tests were completed to assess the neurophysiologi-cal and balance performance before and after each stimulation.Results show that tDCS significantly in-creased the mean displacements in the Y-direction ( MDY) on both double with eyes-opening and singlewith eyes-closing.Compared to the baseline , tDCS significantly reduced MDY on double with eyes-openingand the mean velocity in the Y-direction on single with eyes-closing. tDCS significantly increased the meandisplacements X-direction ( MDX) on double with eyes-opening and single with eyes-closing and the maxi-mum sway diameter in the X-direction on doublet with eyes-opening.Compared to the baseline , tDCS sig-nificantly increased MDX on double with eyes-opening , single with eyes-opening, and double with eyes-closing; furthermore , the mean velocity in the X-direction on double with eyes-closing was increased.Com-pared with baseline ,tDCS significantly reduced resting motor threshold.'Targeted stimulation on the tibialisanterior muscle by tDCS is effective in improving the single balance with eyes-closing.

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