Short-term effect of a close-fitting type of walking assistive device on spinal cord reciprocal inhibition

Kei Nakagawa, Masahiro Tomoi, Keita Higashi, Sho Utsumi, Reo Kawano, Eiichiro Tanaka, Kaoru Kurisu, Louis Yuge*

*この研究の対応する著者

研究成果: Article査読

2 被引用数 (Scopus)

抄録

One of the major problems with walking encountered by patients with spastic hemiplegia is diminished toe clearance due to spasticity of their leg muscles. To improve their walking, a specialized robot assist for ankle movements (RE-Gait) has been utilized. The present study examined the neurophysiological effects whether spinal cord reciprocal Ia inhibition (RI) in the leg was altered by using RE-Gait. Sixteen patients with a clinical diagnosis of stroke were divided into the two groups, RE-Gait walking group (Group R) and normal (controlled) walking group (Group C). In each group, they walked on a flat floor for 15 min with or without RE-Gait. The depression of soleus (Sol) H-reflexes conditioned by common peroneal nerve stimuli with the conditioning-test (C-T) intervals of 1, 2, 3, and 4 ms were assessed before and immediately after each walking session. After the intervention, the LSM (SE) of Sol H-reflex amplitude with 1, 2 and 3 ms C-T interval conditions were significantly decreased in group R (1 ms: 88.15 (4.60), 2 ms: 86.37 (4.60), 3 ms: 89.68 (4.62)) compared to group C (1 ms: 105.57 (4.56), 2 ms: 100.89 (4.58), 3 ms: 107.72 (4.58)) [1 ms: p = 0.012, 2 ms: p = 0.035, 3 ms: p = 0.011]. Walking assistive robot that targets ankle movements might be a new rehabilitation tool for regulating spinal cord excitability.

本文言語English
ページ(範囲)142-147
ページ数6
ジャーナルJournal of Clinical Neuroscience
77
DOI
出版ステータスPublished - 2020 7

ASJC Scopus subject areas

  • 外科
  • 神経学
  • 臨床神経学
  • 生理学(医学)

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