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An SEMG computer interface using three myoelectric sites for proportional two-dimensional cursor motion control and clicking for individuals with spinal cord injuries

Authors
Choi, ChangmokNa, YoungjinRim, ByeongcheolKim, YoungkyungKang, SangkukKim, Jung
Issue Date
Jun-2013
Publisher
ELSEVIER SCI LTD
Keywords
Alternative computer interface; Spinal cord injury (SCI); Surface electromyography (sEMG)
Citation
MEDICAL ENGINEERING & PHYSICS, v.35, no.6, pp 777 - 783
Pages
7
Journal Title
MEDICAL ENGINEERING & PHYSICS
Volume
35
Number
6
Start Page
777
End Page
783
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/147455
DOI
10.1016/j.medengphy.2012.08.006
ISSN
1350-4533
1873-4030
Abstract
We developed an alternative computer interface using surface electromyography (sEMG) for individuals with spinal cord injuries (SCI) to access a computer. We designed this interface to make a cursor move on a two-dimensional screen and to click using only three muscles for each subject. In addition, a user can voluntarily control cursor movement speed by modulating muscle contraction levels. Three SCI patients and 10 healthy subjects volunteered to evaluate the performance of this interface using Fitts' law test in a two-dimensional testing setup. The throughputs (TP) of our interface were 0.1962 +/- 0.0562 b/s for the SCI patients and 0.4356 +/- 0.0706 b/s for the healthy subjects. This interface could help SCI patients handle a wider range of activities such as browsing the Internet and communicating with others. (C) 2012 IPEM. Published by Elsevier Ltd. All rights reserved.
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공과대학 > 기계시스템학부 > 1. Journal Articles

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