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Title: Effects of pulse modulation on FES-induced ankle dorsiflexion in adults with spastic diplegia
Authors: Su, IYW
Chow, DHK
Granat, MH
Conway, BA
Keywords: Bioelectric phenomena
Neuromuscular stimulation
Issue Date: 2000
Source: Proceedings of the 22nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society : 23-28 July 2000, Navy Pier Convention Center, Chicago, Illinois, USA, p. 2267-2270 How to cite?
Abstract: The application of function electrical stimulation (FES) has recently been extended to patients with cerebral palsy. To ensure a functional gain from the electrically elicited movement, a reproducible response with sufficient magnitude is desired. In this study, the effects of varying pulse parameters on the motor response were investigated. FES-induced ankle dorsiflexion of seven adults with spastic diplegia under constant current stimulation but with varied pulsewidths and frequencies was measured. The stimulation pattern that produced a desired motor response was determined for each individual subject. Despite the diversity of the conditions caused by cerebral palsy, a common trend was observed from the identified patterns. The characterization results suggested that the FES-induced ankle dorsiflexion in adults with spastic diplegia could be controlled by employing a constant current with frequency at 20 or 30 Hz using pulsewidth modulation ranged from 100 to 400 μs
ISBN: 0-7803-6465-1
ISSN: 1094-687X
Appears in Collections:Conference Paper

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