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http://dx.doi.org/10.5143/JESK.2009.28.3.001

Biomechanical Model of Hand to Predict Muscle Force and Joint Force  

Kim, Kyung-Soo (Department of Mathematics, Kyonggi University)
Kim, Yoon-Hyuk (Department of Mechanical Engineering, Kyung Hee University)
Publication Information
Journal of the Ergonomics Society of Korea / v.28, no.3, 2009 , pp. 1-6 More about this Journal
Abstract
Recently, importance of the rehabilitation of hand pathologies as well as the development of high-technology hand robot has been increased. The biomechanical model of hand is indispensable due to the difficulty of direct measurement of muscle forces and joint forces in hands. In this study, a three-dimensional biomechanical model of four fingers including three joints and ten muscles in each finger was developed and a mathematical relationship between neural commands and finger forces which represents the enslaving effect and the force deficit effect was proposed. When pressing a plate under the flexed posture, the muscle forces and the joint forces were predicted by the optimization technique. The results showed that the major activated muscles were flexion muscles (flexor digitorum profundus, radial interosseous, and ulnar interosseous). In addition, it was found that the antagonistic muscles were also activated rather than the previous models, which is more realistic phenomenon. The present model has considered the interaction among fingers, thus can be more powerful while developing a robot hand that can totally control the multiple fingers like human.
Keywords
Hand; Biomechanics; Muscle force; Interaction among fingers; Optimization;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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