Intraindividual movement variability within the 5 m water polo shot

Journal article


Taylor, Paul G., Landeo, Raul and Coogan, Jennifer 2014. Intraindividual movement variability within the 5 m water polo shot. Journal of Applied Biomechanics. 30 (3), pp. 477 - 482. https://doi.org/10.1123/jab.2013-0133
AuthorsTaylor, Paul G., Landeo, Raul and Coogan, Jennifer
Abstract

The purpose of this study was to explore movement variability of throwing arm and ball release parameters during the water polo shot and to compare variability between successful (hit) and unsuccessful (miss) outcomes. Seven injury free, subelite, females completed 10 trials of the 5 m water polo penalty shot. Intraindividual coefficient of variation percentage (CV%) values were calculated for elbow and wrist angular displacement, wrist linear velocity and ball release parameters (height, angle and velocity). Coordination variability (elbow/wrist angular displacement) was calculated as the CV% of the mean cross-correlation coefficient. Elbow and wrist displacement variability decreased to 80% of throwing time then increased toward release. Wrist linear velocity variability reduced toward release. Individual CV% values ranged between 1.6% and 23.5% (all trials), 0.4% and 20.6% (hit), and 0.4% and 27.1% (miss). Ball release height and velocity variability were low ( < 12%; all trials) whereas release angle variability was high ( > 27%; all trials). Cross-correlation results were inconclusive. Roles of the elbow and wrist in production of stable ball release height and velocity and control of the highly variable release angle in the water polo shot are discussed and suggested for further study. Optimal levels of variability warrant future investigation.

Year2014
JournalJournal of Applied Biomechanics
Journal citation30 (3), pp. 477 - 482
PublisherHuman Kinetics Publishers Inc.
ISSN1543-2688
Digital Object Identifier (DOI)https://doi.org/10.1123/jab.2013-0133
Scopus EID2-s2.0-84907392521
Web address (URL)http://journals.humankinetics.com/doi/10.1123/jab.2013-0133
Open accessOpen access
Page range477 - 482
Research GroupSports Performance, Recovery, Injury and New Technologies (SPRINT) Research Centre
Author's accepted manuscript
Additional information

Authors accepted manuscript - as accepted for publication. © 2014 Human Kinetics, Inc.

Place of publicationUnited States of America
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