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| Research article summary (published 27 Feb 2002): |
Motion quality evaluation of upper limb target-reaching movements.
Full Abstract
Fitts' Law was extended in the polar coordinate system, and a set of indices for human motion evaluation is proposed. In this paper, the index of difficulty and the index of performance are introduced as the general indices for the quality measure of plane target-to-target movement. As an example, the target-reaching movement of the upper limb, which is a basic functional action of upper limbs in the activities of daily living, was experimentally investigated. Five healthy subjects were asked to perform six target-reaching tasks with different indices of difficulty. All movements were recorded using a Vicon motion analysis system. The movement quality was measured using these evaluation indices.
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Author information
Author/s: Yang, Nianfeng (N); Zhang, Ming (M); Huang, Changhua (C); Jin, Dewen (D);
Affiliation: Rehabilitation Engineering Research Centre, Department of Precision Instruments, Tsinghua University, Beijing 100084, China.
Journal and publication information
Publication Type: Journal Article
Journal: Medical engineering & physics (Med Eng Phys), published in England. (Language: eng)
Reference: 2002-Mar; vol 24 (issue 2) : pp 115-20
Dates: Created 2002/03/11; Completed 2002/05/29; Revised 2004/11/17;
PMID: 11886830, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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