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http://dx.doi.org/10.5050/KSNVE.2011.21.1.031

Vibration Response of a Human Carpal Muscle  

Chun, Han-Yong (숭실대학교 대학원 기계공학과)
Kim, Jin-Oh (숭실대학교 공과대학 기계공학과)
Park, Kwang-Hun ((주)피앤에스미캐닉스)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.21, no.1, 2011 , pp. 31-40 More about this Journal
Abstract
This paper examines the dynamic characteristics of a human carpal muscle through theoretical analysis and experiment. The carpal muscle was modeled as a 1-DOF vibration system and vibration response due to a ramp function force was calculated. The electromyogram signal corresponding to the muscle excitation force was measured, and the excitation force function of an envelope curve from the electromyogram signal was extracted. The ramp input function of electrical stimulation to the carpal muscle was applied by using a device for functional electrical stimulation, and the angular displacements corresponding to steady state response were measured. Theoretical calculations of the vibration response displacements were compared with the experimental results of the angular displacements, and have shown a good agreement with the result that is linearly proportional to the excitation force magnitude. As a result, the relationship between the input current of the electrical stimulation and the excitation force magnitude was inferred. The result was shown that it can be applied to develop rehabilitation training devices.
Keywords
Carpal Muscle; Vibration Response; Angular Displacement; Electromyogram; Rehabilitation Training;
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Times Cited By KSCI : 4  (Citation Analysis)
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