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The principle of superposition in human prehension

Published online by Cambridge University Press:  21 April 2004

Vladimir M. Zatsiorsky
Affiliation:
Department of Kinesiology, The Pennsylvania State University, State College, PA 16802–5702 (USA) E-mail: vxzl@psu.edu
Mark L. Latash
Affiliation:
Department of Kinesiology, The Pennsylvania State University, State College, PA 16802–5702 (USA)
Fan Gao
Affiliation:
Department of Kinesiology, The Pennsylvania State University, State College, PA 16802–5702 (USA)
Jae Kun Shim
Affiliation:
Department of Kinesiology, The Pennsylvania State University, State College, PA 16802–5702 (USA)

Abstract

The experimental evidence supports the validity of the principle of superposition for multi-finger prehension in humans. Forces and moments of individual digits are defined by two independent commands: “Grasp the object stronger/weaker to prevent slipping” and “Maintain the rotational equilibrium of the object”. The effects of the two commands are summed up.

Type
Research Article
Copyright
2004 Cambridge University Press

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