Space-Time Accuracy of Rapid Movements
- 1 March 1993
- journal article
- research article
- Published by Taylor & Francis in Journal of Motor Behavior
- Vol. 25 (1) , 8-20
- https://doi.org/10.1080/00222895.1993.9941635
Abstract
The space-time accuracy of an elbow flexion movement task was examined in two experiments over a range of motion extents (1° through 100°) and short-duration movement times (100, 125, 150, and 400 ms). Nonlinear speed-accuracy functions emerged for both spatial and temporal error over all the movement conditions examined. The results showed that the timing error and spatial error had a high degree of complementarity as predicted by a space-time model of the speed-accuracy relation (Hancock & Newell, 1985). The findings confirm that the frame of reference for measuring movement error determines in part the error functions observed.Keywords
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