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대한인간공학회 대한인간공학회지 대한인간공학회지 제20권 제3호
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    초록·키워드

    As humans movements have the inherent property of anticipating target and can be coordinated to realize a given schedule, finger movements have stereotyped patterns during hand grasping. Finger movements have been studied in the past to find out the coordination pattern of hand joint angular movement. These studies analyzed only a few finger joints for a limited number of hand postures. This study investigated fourteen joint angles during eight hand-grasping motions to analyze the angular correlations between finger joints and to suggest motion factors which represent hand grasping. Hand grasping motions including forward arm motion were examined in ten healthy volunteers. Eight objects were used to represent real hand grasping tasks. CyberGlove™ and Fastrack™ measured hand joint angles and wrist origin. Joint angle correlations between PIJ(proximal interphalangeal joint) and MPJ(metacarpophalangeal joint) at one finger, between neighboring PIJs and MPJs were analyzed for each hand-grasping phased and posture. Factor analysis showed that there were four factors related to the fast phase of hand grasping motions an eight factors related to the slow phase of hand grasping motions.

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      UCI(KEPA) : I410-ECN-0101-2009-530-013733311