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Coping with Systematic Bias During Bilateral Movement by Charles B. Walter; Stephan P. Swinnen; Daniel M. Corcos; Elisana Pollaton; Hong-Yan Pan is a Psychology article available to read on EtoBox.

What is Coping with Systematic Bias During Bilateral Movement about?

The present studies examined the nature of kinematic interlimb interference during bilateral elbow movements of 1:1, 2:1 and 3:1 frequency ratios and the manner in which subjects cope with coordination bias. Analysis of movement trajectories in the first experiment indicated progressively greater angular velocity assimilation across 2:1 and 3:1 conditions. The desired temporal relationship was maintained by slowing or pausing the low-frequency movement at peak extension while the high-frequency arm produced intervening cycles. An increase in amplitude was also evident for concurrent, homologous cycles. Movement smoothness was emphasized and additional practice was provided in a second experiment. This resulted in dissociated peak angular velocity between limbs and eliminated hesitations and amplitude effects, Bias was still evident, however, as an intermittent approach toward a 1:1 ratio within each cycle. This systematic tendency was somewhat greater at the lower of two absolute frequency combinations but was not influenced by the role of each arm in producing the higher or lower frequency movement. The findings from the first experiment suggest that subjects initially accommodate

Who reads Coping with Systematic Bias During Bilateral Movement?

Author

Charles B. Walter; Stephan P. Swinnen; Daniel M. Corcos; Elisana Pollaton; Hong-Yan Pan

Publisher

Guilford Publishing Inc; Springer; Guilford Publications; Springer-Verlag; Guilford Publications Inc.; Springer Verlag; Springer Science and Business Media LLC (ISSN 0340-0727)

Published

1996

Language

EN

Field

Psychology (Social Sciences)