Sensor-driven four-channel stimulation of paretic leg: Functional electrical walking therapy

Kojović, Jovana; Djurić-Jovičić, Milica; Došen, Strahinja; Popović, Mirjana; Popović, Dejan B.

doi:10.1016/j.jneumeth.2009.04.005

Cited by 47 publications

(41 citation statements)

References 23 publications

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“…Because this is a cohort study, we would like to correlate these findings with the results from the analysis of walking data and clinical outcomes presented in Kojović et al (2009) . Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Fig. 5 summarizes the results of the changes in clinical outcomes, the speed of gait, and the symmetry index (Kojović et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

“…The CON treatment included 30 min of daily walking five days a week for four weeks without electrical stimulation. Details about the FET instruments and study design have been described by Kojović et al (2009). Inclusion criteria were the presence of unilateral motor deficit in the lower extremities, the ability to stand independently or with the assistance of a therapist, and being in the acute or subacute phase of stroke.…”

Section: Subjectsmentioning

confidence: 99%

“…The user-friendly software provided on-line tracking of the experiments and on-line data analysis. The illustration of the instrument and the method of analysis come from a cohort study of the efficacy of functional electrical therapy (FET) in stroke patients (Kojović et al, 2009). This method was used for the analysis of a single joint movement (dorsiflexion).…”

Section: Introductionmentioning

confidence: 99%

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Recovery of motor function after stroke: A polymyography-based analysis

Kojović

Miljković

Janković

et al. 2011

Journal of Neuroscience Methods

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Section: Discussionmentioning

confidence: 99%

“…Fig. 5 summarizes the results of the changes in clinical outcomes, the speed of gait, and the symmetry index (Kojović et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

Section: Subjectsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Recovery of motor function after stroke: A polymyography-based analysis

Kojović

Miljković

Janković

et al. 2011

Journal of Neuroscience Methods

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“…Functional electrical therapy (FET) applied in acute and chronic stroke patients [8,9] demonstrated that effective long-term therapy with a practical FES apparatus can lead to the training of cortical structures [10]. FET applied for walking suggested similar improvements in functioning [11,12]. However, the hardware used in these applications was not practical if several stimulation channels or complex control were required.…”

Section: Introductionmentioning

confidence: 99%

Wireless distributed functional electrical stimulation system

Jovičić

Saranovac

Popović

2012

Journal of NeuroEngineering and Rehabilitation

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BackgroundThe control of movement in humans is hierarchical and distributed and uses feedback. An assistive system could be best integrated into the therapy of a human with a central nervous system lesion if the system is controlled in a similar manner. Here, we present a novel wireless architecture and routing protocol for a distributed functional electrical stimulation system that enables control of movement.MethodsThe new system comprises a set of miniature battery-powered devices with stimulating and sensing functionality mounted on the body of the subject. The devices communicate wirelessly with one coordinator device, which is connected to a host computer. The control algorithm runs on the computer in open- or closed-loop form. A prototype of the system was designed using commercial, off-the-shelf components. The propagation characteristics of electromagnetic waves and the distributed nature of the system were considered during the development of a two-hop routing protocol, which was implemented in the prototype’s software.ResultsThe outcomes of this research include a novel system architecture and routing protocol and a functional prototype based on commercial, off-the-shelf components. A proof-of-concept study was performed on a hemiplegic subject with paresis of the right arm. The subject was tasked with generating a fully functional palmar grasp (closing of the fingers). One node was used to provide this movement, while a second node controlled the activation of extensor muscles to eliminate undesired wrist flexion. The system was tested with the open- and closed-loop control algorithms.ConclusionsThe system fulfilled technical and application requirements. The novel communication protocol enabled reliable real-time use of the system in both closed- and open-loop forms. The testing on a patient showed that the multi-node system could operate effectively to generate functional movement.

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Motor neuroprosthesis for promoting recovery of function after stroke

Mendes

Lima

Souza

et al. 2020

Cochrane Database of Systematic Reviews

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BackgroundMotor neuroprosthesis (MN) involves electrical stimulation of neural structures by miniaturized devices to allow the performance of tasks in the natural environment in which people live (home and community context), as an orthosis. In this way, daily use of these devices could act as an environmental facilitator for increasing the activities and participation of people with stroke. ObjectivesTo assess the e ects of MN for improving independence in activities of daily living (ADL), activities involving limbs, participation scales of health-related quality of life (HRQoL), exercise capacity, balance, and adverse events in people a er stroke.

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Sensor-driven four-channel stimulation of paretic leg: Functional electrical walking therapy

Cited by 47 publications

References 23 publications

Recovery of motor function after stroke: A polymyography-based analysis

Recovery of motor function after stroke: A polymyography-based analysis

Wireless distributed functional electrical stimulation system

Motor neuroprosthesis for promoting recovery of function after stroke

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