A System to Integrate Electrical Stimulation With Robotically Controlled Treadmill Training to Rehabilitate Stepping After Spinal Cord Injury

A functional electrical stimulation (FES) system was engineered to integrate information from a robotically controlled position during stepping in order to time stimulation to continuous gait information in a rodent model of spinal cord injury (SCI). In contrast to conventional FES systems which hav...

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Bibliographic Details
Published in:IEEE transactions on neural systems and rehabilitation engineering 2012-09, Vol.20 (5), p.730-737
Main Authors: Chao, Tekang, Askari, Sina, De Leon, Ray, Won, Deborah
Format: Article
Language:English
Subjects:
Animals
Combined Modality Therapy - instrumentation
Electric Stimulation Therapy - instrumentation
EMG
Equipment Design
Equipment Failure Analysis
Exercise Test - instrumentation
functional electrical stimulation (FES)
Gait Disorders, Neurologic - diagnosis
Gait Disorders, Neurologic - etiology
Gait Disorders, Neurologic - rehabilitation
Humans
kinematics
Legged locomotion
Medical treatment
neuromuscular electrical stimulation (NMES)
Rats
rehabilitation
Robot kinematics
Robot sensing systems
robotic treadmill training
Robotics - instrumentation
Robotics - methods
rodent model
Spinal Cord Injuries - complications
Spinal Cord Injuries - diagnosis
Spinal Cord Injuries - rehabilitation
spinal cord injury
Systems Integration
Therapy, Computer-Assisted - instrumentation
Training
Trajectory
Treatment Outcome
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Summary:A functional electrical stimulation (FES) system was engineered to integrate information from a robotically controlled position during stepping in order to time stimulation to continuous gait information in a rodent model of spinal cord injury (SCI). In contrast to conventional FES systems which have a fixed timing pattern relative to gait cycle onset (i.e., toe off/heel off or paw contact/heel strike), this system allows adaptation of stimulation to a robotically controlled position. Rationale for the system design is presented along with bench-test results verifying the timing of the stimulation with respect to hindlimb position. This robotically timed FES system will enable studies investigating the capability of this FES therapy to encourage rehabilitation by way of spinal plasticity.
ISSN:1534-4320
1558-0210
DOI:10.1109/TNSRE.2012.2202292