A Study on Estimation of Joint Force Through Isometric Index Finger Abduction with the Help of SEMG Peaks for Biomedical Applications

Youngjin Na, Changmok Choi, Hae Dong Lee, Jung Kim

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We propose a new method to estimate joint force using a biomechanical muscle model and peaks of surface electromyography (SEMG). The SEMG measurement was carried out from the first dorsal interosseous muscle during isometric index finger abduction. The SEMG peaks were used as the input of the biomechanical muscle model which is a transfer function to generate the force. The force estimation performance (R2) was evaluated using the proposed method with nine healthy subjects, and a former method using a mean absolute value (MAV), which is the full-wave rectified and averaged (or low-pass filtered) signal of SEMG in a time window, was compared with the proposed method; the performance of the proposed method (0.94 ± 0.03) was better than that of MAV (0.90 ± 0.02). The proposed method could be widely applied to quantitative analysis of muscle activities based on SEMG.

Original languageEnglish
Article number7008489
Pages (from-to)2-8
Number of pages7
JournalIEEE Transactions on Cybernetics
Volume46
Issue number1
DOIs
Publication statusPublished - 2016 Jan 1

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Electromyography
Muscle
Transfer functions
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Software
  • Control and Systems Engineering
  • Information Systems
  • Human-Computer Interaction
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

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abstract = "We propose a new method to estimate joint force using a biomechanical muscle model and peaks of surface electromyography (SEMG). The SEMG measurement was carried out from the first dorsal interosseous muscle during isometric index finger abduction. The SEMG peaks were used as the input of the biomechanical muscle model which is a transfer function to generate the force. The force estimation performance (R2) was evaluated using the proposed method with nine healthy subjects, and a former method using a mean absolute value (MAV), which is the full-wave rectified and averaged (or low-pass filtered) signal of SEMG in a time window, was compared with the proposed method; the performance of the proposed method (0.94 ± 0.03) was better than that of MAV (0.90 ± 0.02). The proposed method could be widely applied to quantitative analysis of muscle activities based on SEMG.",
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A Study on Estimation of Joint Force Through Isometric Index Finger Abduction with the Help of SEMG Peaks for Biomedical Applications. / Na, Youngjin; Choi, Changmok; Lee, Hae Dong; Kim, Jung.

In: IEEE Transactions on Cybernetics, Vol. 46, No. 1, 7008489, 01.01.2016, p. 2-8.

Research output: Contribution to journalArticle

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