한국산업융합학회 논문집 (Journal of the Korean Society of Industry Convergence)

  • 제23권3호
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  • Pages.523-529
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  • 2020
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  • 1226-833X(pISSN)
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  • 2765-5415(eISSN)
한국산업융합학회 (The Korean Society of Industry Convergence)
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하지 근육 시너지 분석 기반의 FES 시스템이 보행 시 뇌졸중 환자의 족하수 개선에 미치는 영향: 사례 연구

The effect of lower limb muscle synergy analysis-based FES system on improvement of the foot drop of stroke patient during walking: a case study

  • 임태현 (고려대학교 보건과학과 재활과학)
  • Lim, Taehyun (Major in Rehabilitation Science, Department of Health Science, Korea University)
  • 투고 : 2020.05.04
  • 심사 : 2020.06.08
  • 발행 : 2020.06.30
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초록

Foot drop is a common symptom in stroke patients due to central nervous system (CNS) damage, which causes walking disturbances. Functional electrical stimulation (FES) is an effective rehabilitation method for stroke patients with CNS damage. Aim of this study was to determine the effectiveness of 6 weeks FES walking training based lower limb muscle synergy of stroke patients. Lower limb muscle synergies were extracted from electromyography (EMG) using a non-negative matrix factorization algorithm (NMF) method. Cosine similarity and cross correlation were calculated for similarity comparison with healthy subjects. In both stroke patients, the similarity of leg muscle synergy during walking changed to similar to that of healthy subjects due to a decrease in foot drop during. FES walking intervention influenced the similarity of muscle synergies during walking of stroke patients. This intervention has an effective method on foot drop and improving the gait performance of stroke patients.

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참고문헌

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