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A new method of fitting and analysis of simple uni-joint arm movements

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Abstract

A new method for fitting and analysis of simple uni joint arm movements is proposed. The method is based on a model which postulates that the acceleration-time profile of the movement can be described by a linear combination of two Gaussian functions (positive for acceleration and negative for deceleration). The method was tested on more than 21000 arm movements performed under different control conditions and showed high fitting precision. It allows to completely describe a movement using only five parameters of two Gaussian functions. The method is sensitive to differences between the acceleration and deceleration phases of movement as well as between subsequent movements because of the independent calculation of the Gaussian functions for accelerative and decelerative movement parts. Relationships between conventional kinematic and model parameters as well as areas of application of the method are discussed.

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Authors
  1. S. Mescheriakov
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  2. G. Holzmüller
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  3. E. Molokanova
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  4. M. Berger
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Mescheriakov, S., Holzmüller, G., Molokanova, E. et al. A new method of fitting and analysis of simple uni-joint arm movements. Europ. J. Appl. Physiol. 74, 484–486 (1996). https://doi.org/10.1007/BF02337731

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  • DOI: https://doi.org/10.1007/BF02337731

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