Chapter

Feed forward compensation of hyper gravity in vertical pointing movements

12/2008; DOI:10.1007/978-3-540-89208-3_503 pp.2109-2112

ABSTRACT This study investigates the effect of a change in gravity on trajectory planning of vertical pointing movements to elucidate
how gravity is integrated in motor planning. Subjects were asked to perform arm straight rotation around the shoulder in an
environment where terrestrial gravity was nearly doubled. The results support the hypothesis that hyper gravity is well compensated
in a feed forward manner and the observed behaviors are consistent with prediction of energy-optimal control design.

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Keywords

energy-optimal control design
 
hyper gravity
 
motor planning
 
movements
 
observed behaviors
 
results support
 
study investigates
 
terrestrial gravity
 
trajectory planning
 
vertical