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Intramuscular EMG-d...
Intramuscular EMG-driven Musculoskeletal Modelling: Towards Implanted Muscle Interfacing in Spinal Cord Injury Patients
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- Jung, Moon Ki (author)
- Imperial College of Science, Technology and Medicine
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- Muceli, Silvia, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Rodrigues, Camila (author)
- CSIC - Instituto Cajal (IC),Cajal Institute
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- Megia-Garcia, Alvaro (author)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
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- Pascual-Valdunciel, Alejandro (author)
- CSIC - Instituto Cajal (IC),Cajal Institute
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- Del-Ama, António (author)
- Universidad Rey Juan Carlos,Rey Juan Carlos University
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- Gil-Agudo, Ángel (author)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
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- Moreno, Juan (author)
- Consejo Nacional de Investigaciones Cientificas y Tecnicas
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- Barroso, Filipe O. (author)
- CSIC - Instituto Cajal (IC),Cajal Institute
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- Pons, Jose L. (author)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
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- Farina, Dario (author)
- Imperial College of Science, Technology and Medicine
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(creator_code:org_t)
- 2022
- 2022
- English.
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In: IEEE Transactions on Biomedical Engineering. - 0018-9294 .- 1558-2531. ; 69:1, s. 63-74
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Abstract
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- Objective: Surface EMG-driven modelling has been proposed as a means to control assistive devices by estimating joint torques. Implanted EMG sensors have several advantages over wearable sensors but provide a more localized information on muscle activity, which may impact torque estimates. Here, we tested and compared the use of surface and intramuscular EMG measurements for the estimation of required assistive joint torques using EMG driven modelling. Methods: Four healthy subjects and three incomplete spinal cord injury (SCI) patients performed walking trials at varying speeds. Motion capture marker trajectories, surface and intramuscular EMG, and ground reaction forces were measured concurrently. Subject-specific musculoskeletal models were developed for all subjects, and inverse dynamics analysis was performed for all individual trials. EMG-driven modelling based joint torque estimates were obtained from surface and intramuscular EMG. Results: The correlation between the experimental and predicted joint torques was similar when using intramuscular or surface EMG as input to the EMG-driven modelling estimator in both healthy individuals and patients. Conclusion: We have provided the first comparison of non-invasive and implanted EMG sensors as input signals for torque estimates in healthy individuals and SCI patients. Significance: Implanted EMG sensors have the potential to be used as a reliable input for assistive exoskeleton joint torque actuation.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk laboratorie- och mätteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Laboratory and Measurements Technologies (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Annan medicinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Other Medical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Keyword
- assistive technology
- Muscles
- Electrodes
- Legged locomotion
- EMG driven modelling
- Kinematics
- musculoskeletal model
- Electromyography
- Torque
- spinal cord injury
- human-machine interface
- Wires
- electromyography
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Jung, Moon Ki
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Muceli, Silvia, ...
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Rodrigues, Camil ...
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Megia-Garcia, Al ...
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Pascual-Valdunci ...
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Del-Ama, António
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show more...
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Gil-Agudo, Ángel
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Moreno, Juan
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Barroso, Filipe ...
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Pons, Jose L.
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Farina, Dario
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show less...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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and Medical Laborato ...
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ENGINEERING AND ...
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and Medical Engineer ...
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and Other Medical En ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Control Engineer ...
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Chalmers University of Technology