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Evidence of muscle synergies during human grasping

Castellini, Claudio and van der Smagt, Patrick (2013) Evidence of muscle synergies during human grasping. Biological Cybernetics, 107 (2), pp. 233-245. Springer. DOI: 10.1007/s00422-013-0548-4 ISSN 0340-1200

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Official URL: http://link.springer.com/article/10.1007%2Fs00422-013-0548-4

Abstract

Motor synergies have been investigated since the 1980s as a simplifying representation of motor control by the nervous system. This way of representing finger positional data is in particular useful to represent the kinematics of the human hand. Whereas, so far, the focus has been on kinematic synergies, that is common patterns in the motion of the hand and fingers, we hereby also investigate their force aspects, evaluated through surface electromyography (sEMG). We especially show that force-related motor synergies exist, i.e. that muscle activation during grasping, as described by the sEMG signal, can be grouped synergistically; that these synergies are largely comparable to one another across human subjects notwithstanding the disturbances and inaccuracies typical of sEMG; and that they are physiologically feasible representations of muscular activity during grasping. Potential applications of this work include force control of mechanical hands, especially when many degrees of freedom must be simultaneously controlled.

Item URL in elib:https://elib.dlr.de/84983/
Document Type:Article
Title:Evidence of muscle synergies during human grasping
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Castellini, ClaudioClaudio.Castellini (at) dlr.deUNSPECIFIED
van der Smagt, Patricksmagt (at) dlr.deUNSPECIFIED
Date:2013
Journal or Publication Title:Biological Cybernetics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:107
DOI :10.1007/s00422-013-0548-4
Page Range:pp. 233-245
Publisher:Springer
ISSN:0340-1200
Status:Published
Keywords:EMG, muscle synergies, prosthetics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben Terrestrische Assistenz-Robotik
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (since 2013) > Perception and Cognition
Deposited By: Castellini, Dr. Claudio
Deposited On:31 Oct 2013 15:48
Last Modified:31 Jul 2019 19:42

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