Cited by 542Muscle activation and electromyography studiesProsthetics and Rehabilitation RoboticsEEG and Brain-Computer Interfaces

Continuous Locomotion-Mode Identification for Prosthetic Legs Based on Neuromuscular–Mechanical Fusion

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He Huang, Fan Zhang, Hargrove, L. J., Zhi Dou, Rogers, D. R., Englehart, K. B.·2011·IEEE Transactions on Biomedical Engineering

Abstract

In this study, we developed an algorithm based on neuromuscular-mechanical fusion to continuously recognize a variety of locomotion modes performed by patients with transfemoral (TF) amputations. Electromyographic (EMG) signals recorded from gluteal and residual thigh muscles and ground reaction forces/moments measured from the prosthetic pylon were used as inputs to a phase-dependent pattern classifier for continuous locomotion-mode identification. The algorithm was evaluated using data collected from five patients with TF amputations. The results showed that neuromuscular-mechanical fusion outperformed methods that used only EMG signals or mechanical information. For continuous performance of one walking mode (i.e., static state), the interface based on neuromuscular-mechanical fusion and a support vector machine (SVM) algorithm produced 99% or higher accuracy in the stance phase and 95% accuracy in the swing phase for locomotion-mode recognition. During mode transitions, the fusion-based SVM method correctly recognized all transitions with a sufficient predication time. These promising results demonstrate the potential of the continuous locomotion-mode classifier based on neuromuscular-mechanical fusion for neural control of prosthetic legs.

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Authors
Huang, H., Zhang, F., Hargrove, L. J., Dou, Z., Rogers, D. R., & Englehart, K. B.
Affiliations
  • University of Rhode Island (US)
  • Shirley Ryan AbilityLab (US)
  • University of New Brunswick (CA)
Corresponding author
He Huang
Venue
IEEE Transactions on Biomedical Engineering
Published
2011-10
Volume
58
Issue
10
Pages
2867-2875
ISSN
  • 0018-9294 (ISSN-L)
  • 1558-2531
OpenAlex
W2167221577
Cited by
542
References
32
Citations by year
2026: 20 · 2025: 40 · 2024: 37 · 2023: 57 · 2022: 56 · 2021: 49 · 2020: 58 · 2019: 48 · 2018: 39 · 2017: 34 · 2016: 23 · 2015: 26 · 2014: 25 · 2013: 24 · 2012: 6
FWCI
10.43
Type
journal article
Language
en
Open access
Locations
  • IEEE Transactions on Biomedical Engineering (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
Eunice Kennedy Shriver National Institute of Child Health and Human Development (R21HD064968)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Muscle activation and electromyography studies
  • Physical Sciences › Engineering › Biomedical Engineering › Prosthetics and Rehabilitation Robotics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
Keywords
transfemoral amputation, prosthetic leg, electromyography, ground reaction force, gait phases, stance and swing phases, mode switching, support vector machine, gluteal muscles
MeSH terms
Amputees, Artificial Limbs, Electromyography, Humans, Locomotion, Signal Processing, Computer-Assisted, Thigh, Muscle, Skeletal, Support Vector Machine

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