Expertise and distance as constraints on coordination stability during a discrete multi-articular action

ROBINS, M, DAVIDS, Keith, BARTLETT, R and WHEAT, Jonathan (2008). Expertise and distance as constraints on coordination stability during a discrete multi-articular action. In: Scientific Proceedings of the XXVIth International Symposium on Biomechanics in Sport, Seoul, Korea, 14-18 July 2008.

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Official URL: https://ojs.ub.uni-konstanz.de/cpa/issue/view/ISBS...

Abstract

The purpose of this study was to identify how coordination variability of the shooting arm varied as a function of interacting task constraints of expertise and shooting distance. Skilled, intermediate and novice male basketball players (n=9 in each group) performed 30 shots from three distances (4.25, 5.25 and 6.25 metres). The dependent variables included shooting performance scores and measures of coordination variability in three joint couplings: wrist-elbow, elbow-shoulder and wrist-shoulder. A main effect for distance was observed for shooting performance, with a reduction in score occurring with increasing distance. Significant main effects for expertise were also apparent for shooting performance together with coordination variability for all three joint couplings. Regression analyses revealed significant, negative relationships between shooting performance and coordination variability for all three joint couplings irrespective of shooting distance. The findings corroborated extant data on changes in movement variability with practice, demonstrating how skilled performers assemble stable movement solutions to satisfy changing task constraints, in contrast to novices and intermediates.

Item Type: Conference or Workshop Item (Paper)
Research Institute, Centre or Group: Centre for Sports Engineering Research
Depositing User: Carole Harris
Date Deposited: 20 Jul 2016 10:09
Last Modified: 20 Jul 2016 10:09
URI: http://shura.shu.ac.uk/id/eprint/12540

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