• Atsushi Manji, Kazu Amimoto, Tadamitsu Matsuda, Yoshiaki Wada, Akira Inaba, and Sangkyun Ko.
• Department of Human Health Science, Tokyo Metropolitan University, 7-2-2-10 Higashi-Ogu, Arakawa-ku, Tokyo 116-0012, Japan; Department of Rehabilitation, Saitama Misato Sogo Rehabilitation Hospital, Japan. Electronic address: magokuro19811129@yahoo.co.jp.
• Neurosci. Lett. 2018 Jan 1; 662: 302-305.

AbstractTranscranial direct current stimulation (tDCS) is used in a variety of disorders after stroke including upper limb motor dysfunctions, hemispatial neglect, aphasia, and apraxia, and its effectiveness has been demonstrated. Although gait ability is important for daily living, there were few reports of the use of tDCS to improve balance and gait ability. The supplementary motor area (SMA) was reported to play a potentially important role in balance recovery after stroke. We aimed to investigate the effect of combined therapy body weight-supported treadmill training (BWSTT) and tDCS on gait function recovery of stroke patients. Thirty stroke inpatients participated in this study. The two BWSTT periods of 1weeks each, with real tDCS (anode: front of Cz, cathode: inion, 1mA, 20min) on SMA and sham stimulation, were randomized in a double-blind crossover design. We measured the time required for the 10m Walk Test (10MWT) and Timed Up and Go (TUG) test before and after each period. We found that the real tDCS with BWSTT significantly improved gait speed (10MWT) and applicative walking ability (TUG), compared with BWSTT+sham stimulation periods (p<0.05). Our findings demonstrated the feasibility and efficacy of tDCS in gait training after stroke. The facilitative effects of tDCS on SMA possibly improved postural control during BWSTT. The results indicated the implications for the use of tDCS in balance and gait training rehabilitation after stroke.Copyright © 2017 Elsevier B.V. All rights reserved.

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