Grasping a better understanding of the intrinsic dynamics of rhythmical and discrete prehension

BUTTON, C, BENNETT, S and DAVIDS, K (2001). Grasping a better understanding of the intrinsic dynamics of rhythmical and discrete prehension. Journal of Motor Behavior, 33 (1), 27-36.

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Abstract

In this study, the authors examined the influence of the intrinsic dynamics of discrete and rhythmical prehension. Six adults underwent a scaling procedure in which the movement time was systematically increased so that it corresponded with 6 frequencies: 0.5, 0.75, 1.0, 1.25, 1.5, and 1.75 Hz. In posttests, participants moved at their own preferred pace. No differences were found in the relative time to final hand closure (Trfc) between the rhythmical and discrete conditions. The variability of Trfc was shown to be less at the preferred step of scaling than during the posttest. With the scaling technique, one can guide participants into more stable movement patterns than they can achieve when the metronome is not present, because, when the metronome is present, their movements become anchored to the external pacing cue. Those findings provide support for the use of a scaling technique to identify the influence of the intrinsic dynamics during rhythmical and discrete movements.

Item Type:	Article
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Centre for Sports Engineering Research
Identification Number:	https://doi.org/10.1080/00222890109601900
Page Range:	27-36
Depositing User:	Carole Harris
Date Deposited:	07 Apr 2011 08:52
Last Modified:	19 Mar 2021 00:31
URI:	https://shura.shu.ac.uk/id/eprint/3310

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