Phase-dependent electromyographic activity of the lower-limb muscles of a patient with clinically complete spinal cord injury during orthotic gait

Narumi Kojima, Kimitaka Nakazawa, Shinichirou Yamamoto, Hideo Yano

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We examined the lower-limb electromyographic (EMG) activity from a patient with clinically complete spinal cord injury during orthotic gait. A newly developed gait orthosis was used to obtain bipedal locomotion. The surface EMG data during the gait together with the biomechanical variables were collected by way of a radio EMG system. A cyclic EMG activation pattern corresponding to the gait cycles were observed in each of the paralyzed lower-limb muscles during the orthotic gait. Although the EMG activation did not seem to contribute toward generating the gait, it showed some similarities to that of the infant stepping or immature gait. These results might be regarded as one of the indirect pieces of evidence that suggest the existence of a spinally originating motor mechanism underlying human locomotion.

Original languageEnglish
Pages (from-to)139-142
Number of pages4
JournalExperimental Brain Research
Volume120
Issue number1
DOIs
Publication statusPublished - 1998
Externally publishedYes

Keywords

  • Electromyography
  • Human
  • Locomotion
  • Orthotic gait
  • Paraplegia
  • Spinal stepping generator

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Phase-dependent electromyographic activity of the lower-limb muscles of a patient with clinically complete spinal cord injury during orthotic gait. / Kojima, Narumi; Nakazawa, Kimitaka; Yamamoto, Shinichirou; Yano, Hideo.

In: Experimental Brain Research, Vol. 120, No. 1, 1998, p. 139-142.

Research output: Contribution to journalArticle

@article{a92e75fbcd04433f8f61c4cf2f5c6921,
title = "Phase-dependent electromyographic activity of the lower-limb muscles of a patient with clinically complete spinal cord injury during orthotic gait",
abstract = "We examined the lower-limb electromyographic (EMG) activity from a patient with clinically complete spinal cord injury during orthotic gait. A newly developed gait orthosis was used to obtain bipedal locomotion. The surface EMG data during the gait together with the biomechanical variables were collected by way of a radio EMG system. A cyclic EMG activation pattern corresponding to the gait cycles were observed in each of the paralyzed lower-limb muscles during the orthotic gait. Although the EMG activation did not seem to contribute toward generating the gait, it showed some similarities to that of the infant stepping or immature gait. These results might be regarded as one of the indirect pieces of evidence that suggest the existence of a spinally originating motor mechanism underlying human locomotion.",
keywords = "Electromyography, Human, Locomotion, Orthotic gait, Paraplegia, Spinal stepping generator",
author = "Narumi Kojima and Kimitaka Nakazawa and Shinichirou Yamamoto and Hideo Yano",
year = "1998",
doi = "10.1007/s002210050387",
language = "English",
volume = "120",
pages = "139--142",
journal = "Experimental Brain Research",
issn = "0014-4819",
publisher = "Springer Verlag",
number = "1",

}

TY - JOUR

T1 - Phase-dependent electromyographic activity of the lower-limb muscles of a patient with clinically complete spinal cord injury during orthotic gait

AU - Kojima, Narumi

AU - Nakazawa, Kimitaka

AU - Yamamoto, Shinichirou

AU - Yano, Hideo

PY - 1998

Y1 - 1998

N2 - We examined the lower-limb electromyographic (EMG) activity from a patient with clinically complete spinal cord injury during orthotic gait. A newly developed gait orthosis was used to obtain bipedal locomotion. The surface EMG data during the gait together with the biomechanical variables were collected by way of a radio EMG system. A cyclic EMG activation pattern corresponding to the gait cycles were observed in each of the paralyzed lower-limb muscles during the orthotic gait. Although the EMG activation did not seem to contribute toward generating the gait, it showed some similarities to that of the infant stepping or immature gait. These results might be regarded as one of the indirect pieces of evidence that suggest the existence of a spinally originating motor mechanism underlying human locomotion.

AB - We examined the lower-limb electromyographic (EMG) activity from a patient with clinically complete spinal cord injury during orthotic gait. A newly developed gait orthosis was used to obtain bipedal locomotion. The surface EMG data during the gait together with the biomechanical variables were collected by way of a radio EMG system. A cyclic EMG activation pattern corresponding to the gait cycles were observed in each of the paralyzed lower-limb muscles during the orthotic gait. Although the EMG activation did not seem to contribute toward generating the gait, it showed some similarities to that of the infant stepping or immature gait. These results might be regarded as one of the indirect pieces of evidence that suggest the existence of a spinally originating motor mechanism underlying human locomotion.

KW - Electromyography

KW - Human

KW - Locomotion

KW - Orthotic gait

KW - Paraplegia

KW - Spinal stepping generator

UR - http://www.scopus.com/inward/record.url?scp=0031947614&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0031947614&partnerID=8YFLogxK

U2 - 10.1007/s002210050387

DO - 10.1007/s002210050387

M3 - Article

VL - 120

SP - 139

EP - 142

JO - Experimental Brain Research

JF - Experimental Brain Research

SN - 0014-4819

IS - 1

ER -