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Title

Analysis of muscle activation patterns during walking in patients with foot drop: insights for the design of an advanced FES controller

AuthorsKoutsou, Aikaterini ; Alnajjar, Fady; Lerma-Lara, Sergio; Moral, B.; Zaier, Riadh; Moreno, Juan Camilo
KeywordsMuscles
Legged locomotion
Foot
Electromyography
Iron
Stroke (medical condition)
Kinematics
Issue Date26-Mar-2019
PublisherInstitute of Electrical and Electronics Engineers
Citation2019 Advances in Science and Engineering Technology International Conferences (ASET) in Dubai, United Arab Emirates in 26 March 2019
AbstractThis study focuses on the analysis of human walking after stroke for the design of a Functional Electrical Stimulation (FES) strategy for foot drop correction. Our approach is based on the analysis of muscle activation patterns from electromyography and ankle joint kinematic data. The objective of this work was to study the activation of the muscles of the lower leg during walking in three different walking speeds in patients affected by stroke with a foot drop syndrome. The purpose was to find any differences in muscle activation duration and intensity that should be taken into account in the definition of the muscle stimulation patterns of an FES foot drop controller. The results showed that plantar flexor muscles should also be included in our FES controller, especially at the end of the stance phase. The results confirmed a clear relation between walking speed and muscle activation. A novel concept design of an FES foot drop controller is proposed, with inputs as the walking speed of the subject and instantaneous gait phase extracted from inertial measurement units.
DescriptionTrapajo presentado en 2019 Advances in Science and Engineering Technology International Conferences (ASET) en Dubai, Emiratos Árabes Unidos el 26 de Marzo de 2019.
Publisher version (URL)http://dx.doi.org/10.1109/ICASET.2019.8714282
URIhttp://hdl.handle.net/10261/209352
Identifiersdoi: 10.1109/ICASET.2019.8714282
isbn: 978-1-5386-8271-5
Appears in Collections:(IC) Comunicaciones congresos
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