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Combining electrical stimulation mediated by iterative learning control with movement practice using real objects and simulated tasks for post-stroke upper extremity rehabilitation

Combining electrical stimulation mediated by iterative learning control with movement practice using real objects and simulated tasks for post-stroke upper extremity rehabilitation
Combining electrical stimulation mediated by iterative learning control with movement practice using real objects and simulated tasks for post-stroke upper extremity rehabilitation
Objective: task specific training and Electrical stimulation (ES) are techniques used in rehabilitation of the upper extremity post stroke. This study describes the feasibility of using a rehabilitation system that combines personalised, precisely controlled levels of ES to the anterior deltoid, triceps and finger and wrist extensors during goal-oriented activity utilising real objects from daily life.

Materials and methods: four chronic stroke participants undertook seventeen intervention sessions, each of one hour duration. During each session, particpants performed goal-orientated tasks while Iterative learning control (ILC) updated the ES signal applied to each muscle group. The update was based on the difference between the ideal and actual movement in the previous attempt at the task, measured using Microsoft Kinect and PrimeSense sensors. The control system applied the minimum amount of ES required with a view to facilitating success at each given task while maximising voluntary effort.

Results: preliminary results demonstrate that ES mediated by ILC resulted in a statistically significant improvement in range of movement in all four joint angles studied (shoulder flexion; elbow, wrist and index finger extension) over 17 intervention sessions. Additionally, participants required signficantly less extrinsic support for each task. The tasks and system is described and initial intervention data are reported.

Discussion: the feasibility of using this system for assisting upper limb movement has been demonstrated. A large scale pilot RCT is now required
1312-6431
117-122
Hughes, Ann-Marie
11239f51-de47-4445-9a0d-5b82ddc11dea
Hallewell, Emma
8f672810-88f1-4358-b0cf-ac8920c79474
Kutlu, Mustafa
4e99ab81-ef5e-4c66-b042-8aeee432f468
Freeman, Christopher
ccdd1272-cdc7-43fb-a1bb-b1ef0bdf5815
Meadmore, Katie
4b63707b-4c44-486c-958e-e84645e7ed33
Hughes, Ann-Marie
11239f51-de47-4445-9a0d-5b82ddc11dea
Hallewell, Emma
8f672810-88f1-4358-b0cf-ac8920c79474
Kutlu, Mustafa
4e99ab81-ef5e-4c66-b042-8aeee432f468
Freeman, Christopher
ccdd1272-cdc7-43fb-a1bb-b1ef0bdf5815
Meadmore, Katie
4b63707b-4c44-486c-958e-e84645e7ed33

Hughes, Ann-Marie, Hallewell, Emma, Kutlu, Mustafa, Freeman, Christopher and Meadmore, Katie (2014) Combining electrical stimulation mediated by iterative learning control with movement practice using real objects and simulated tasks for post-stroke upper extremity rehabilitation. Neurosonology and Cerebral Hemodynamics, 10 (2), 117-122.

Record type: Article

Abstract

Objective: task specific training and Electrical stimulation (ES) are techniques used in rehabilitation of the upper extremity post stroke. This study describes the feasibility of using a rehabilitation system that combines personalised, precisely controlled levels of ES to the anterior deltoid, triceps and finger and wrist extensors during goal-oriented activity utilising real objects from daily life.

Materials and methods: four chronic stroke participants undertook seventeen intervention sessions, each of one hour duration. During each session, particpants performed goal-orientated tasks while Iterative learning control (ILC) updated the ES signal applied to each muscle group. The update was based on the difference between the ideal and actual movement in the previous attempt at the task, measured using Microsoft Kinect and PrimeSense sensors. The control system applied the minimum amount of ES required with a view to facilitating success at each given task while maximising voluntary effort.

Results: preliminary results demonstrate that ES mediated by ILC resulted in a statistically significant improvement in range of movement in all four joint angles studied (shoulder flexion; elbow, wrist and index finger extension) over 17 intervention sessions. Additionally, participants required signficantly less extrinsic support for each task. The tasks and system is described and initial intervention data are reported.

Discussion: the feasibility of using this system for assisting upper limb movement has been demonstrated. A large scale pilot RCT is now required

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Published date: September 2014
Organisations: Faculty of Health Sciences, Faculty of Physical Sciences and Engineering

Identifiers

Local EPrints ID: 370549
URI: http://eprints.soton.ac.uk/id/eprint/370549
ISSN: 1312-6431
PURE UUID: df683bdd-8f88-437f-8c76-b1d2dc05585d
ORCID for Ann-Marie Hughes: ORCID iD orcid.org/0000-0002-3958-8206
ORCID for Katie Meadmore: ORCID iD orcid.org/0000-0001-5378-8370

Catalogue record

Date deposited: 31 Oct 2014 10:23
Last modified: 07 Oct 2020 05:03

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Contributors

Author: Emma Hallewell
Author: Mustafa Kutlu
Author: Christopher Freeman
Author: Katie Meadmore ORCID iD

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