Distinct adaptation patterns between grip dynamics and arm kinematics when the body is upside-down

Author:

Opsomer L.12ORCID,Crevecoeur F.12ORCID,Thonnard J-L.12,McIntyre J.345,Lefèvre P.12ORCID

Affiliation:

1. Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium

2. Institute of Information and Communication Technologies, Electronics and Applied Mathematics, Université catholique de Louvain, Louvain-la-Neuve, Belgium

3. Centre National de la Recherche Scientifique, University of Paris, France

4. TECNALIA, Basque Research and Technology Alliance (BRTA), Donostia-San Sebastian, Spain

5. Ikerbasque Science Foundation, Bilbao, Spain

Abstract

During rhythmic arm movements performed in an upside-down posture, grip control adapted very quickly, but kinematics adaptation was more progressive. Our results suggest that grip control and movement kinematics planning might operate in different reference frames. Moreover, by comparing our results with previous results from parabolic flight studies, we propose that a common mechanism underlies adaptation to unfamiliar body postures and adaptation to altered gravity.

Funder

European Space Agency PRODEX

Centre National d'Études Spatiales

Publisher

American Physiological Society

Subject

Physiology,General Neuroscience

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