Quality Control Procedure for Kinematic Analysis of Elite Seated Shot-Putters During World-Class Events

Frossard, Laurent, Smeathers, James E., Evana, John, O'Riordan, Alison, & Goodman, Scott (2008) Quality Control Procedure for Kinematic Analysis of Elite Seated Shot-Putters During World-Class Events. The Sport Journal, 11(1).


Kinematic analyses of elite shot-put throwers commonly involve shot-trajectory parameters determined under experimental conditions with an accuracy-based procedure. This can be only partially implemented within an event-constrained procedure (as opposed to experimental conditions). Event-constrained procedures, while they provide realistic information collected in an open environment, introduce several constraints that can potentially compromise accuracy measures. This study concerns a quality control procedure intended to address such constraints. The quality control procedure relies on 5 key elements aimed at reducing and reporting error and validating measures of the shot trajectory. The performance of 7 world-class shot-putters during international events was calculated using video data recorded at 50 Hz with a camera located to the side of the athlete. Accuracy was above 75% for all the attempts and above 94% during 4 attempts. This study demonstrated (a) the need to systematically implement this procedure for kinematic analyses based on event-driven recordings; (b) the value of quality indicators in making decisions concerning the instant of release; and (c) the importance of reporting this procedure’s outcomes in terms of error and percentage error.

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ID Code: 14219
Item Type: Journal Article
Refereed: Yes
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author.
Additional URLs:
ISSN: 1543-9518
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Copyright Owner: Copyright 2008 United States Sports Academy
Deposited On: 30 Jul 2008 00:00
Last Modified: 10 Aug 2011 16:36

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