Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13340
Title: Synergic analysis of upper limb target-reaching movements
Authors: Yang, N
Zhang, M 
Huang, C
Jin, D
Keywords: Motion pattern
Synergy
Target-reaching movement
Upper limb
Issue Date: 2002
Publisher: Elsevier
Source: Journal of biomechanics, 2002, v. 35, no. 6, p. 739-746 How to cite?
Journal: Journal of biomechanics 
Abstract: The topological invariance and synergies of human movements are discussed through the analysis and comparison of upper-limb target-reaching tasks. Five subjects were asked to perform different target-reaching tasks with different indices of difficulty, and the movements were captured using a Vicon 3D motion analysis system. Topological invariance was observed in the trajectories of different task performances. After normalization, the trajectories of the arm tips had very close patterns for different target-reaching tasks. Synergy in the target-reaching movements of the upper limbs was also found among the different joint angles. The joint angles can be fitted using the same format of functions proposed in this study. The parameters in the function can be taken as a characteristic feature of target-reaching movement patterns. A target-reaching movement can be determined by these parameters and the start and end positions.
URI: http://hdl.handle.net/10397/13340
ISSN: 0021-9290
DOI: 10.1016/S0021-9290(02)00018-0
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