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Updated: Sep 16, 2025
Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury
Published on: February 1, 2018
Electromyography (EMG)-triggered transcutaneous spinal cord and hip stimulation for gait rehabilitation in persons
Mami Tani1, Tomofumi Yamaguchi2,3, Kaoru Honaga1,3
1Department of Rehabilitation Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan.
Background:
Transcutaneous spinal stimulation has been applied to gait rehabilitation for persons with neurological diseases. The authors developed electromyography-triggered transcutaneous spinal cord and hip stimulation for gait rehabilitation and called this system FAST walk. This study aimed to assess the effect of FAST walk in a randomized, controlled trial.
Methods:
All participants were randomly allocated to three groups: FAST walk combined with treadmill gait training (FAST walk); spinal stimulation combined with treadmill gait training (spinal stim); and treadmill gait training (treadmill). Participants performed two sets of 15-min treadmill gait training with 5-min intervals in the FAST walk, spinal stim, and treadmill groups. Gait training was performed twice weekly for a total of 10 sessions. The primary outcome was 10-m walking time. The secondary outcomes were the time symmetry index (TSI) with gait analysis and spinal reciprocal inhibition on the conditioned-test H reflex study.
Results:
Twenty persons with chronic stroke participated in this study, and 17 persons completed this study. For the primary outcome, there was no significant interaction between time and intervention in 10-m walking time on two-way analysis of covariance (ANCOVA) (P = 0.382, η2 = 0.064). For the FAST walk group, 10-m walking time improved significantly at post and post-4w (P = 0.024 and 0.022, respectively). In the other groups, no significant improvements in 10-m walking time were seen at post and post-4w compared with before. There was also no significant between-group difference in the 10-m walking time.
Conclusions:
The newly developed electromyography-triggered transcutaneous spinal cord and hip stimulation, FAST walk, is safe and may improve the gait speed of persons with chronic stroke. We did not, however, find a significant between-group difference among the FAST walk, spinal stim, and treadmill gait groups.
Trial Registration:
Japan Registry of Clinical Trial (JRCT registration ID: jRCTs032180289).
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