Reliability and Generality of Measures of Acceleration, Planned Agility, and Reactive Agility
Author
Oliver, Jon
Meyers, Rob
Date
2009Type
Article
Publisher
Human Kinetics
ISSN
1555-0265
Metadata
Show full item recordAbstract
Purpose: The purpose of the current study was to assess the reliability of a new protocol that examines different components of agility using commercially available timing gates. Methods: Seventeen physically active males completed four trials of a new protocol, which consisted of a number of 10-m sprints. Sprints were completed in a straight line or with a change of direction after 5 m. The change of direction was either planned or reactive, with participants reacting to a visual light stimulus. Results: There was no systematic bias in any of the measures, although random variation was reduced in the straight acceleration and planned agility when considering only the final pair of trials, with mean coefficients of variation (CV) of 1.6% (95%CI, 1.2% to 2.4%) and 1.1% (0.8% to 1.7%), respectively. Reliability of reactive agility remained consistent throughout with mean CVs of approximately 3%. Analyses revealed a high degree of common variance between acceleration times and both planned (r2 = .93) and reactive (r2 = .83) agility, as well as between the two agility protocols (r2 = .87). Conclusion: Both planned and reactive agility could be measured reliably. Protocol design and use of a light stimulus in the reactive test emphasize physical abilities comparable with other test measures. Therefore, inclusion of a reactive light stimulus does not appear to require any additional perceptual qualities.
© 2009 Human Kinetics
Journal/conference proceeding
International Journal of Sports Physiology and Performance;
Citation
International Journal of Sports Physiology and Performance 4, 345-354
URI
http://journals.humankinetics.com/ijspp-back-issues/IJSPPVolume4Issue3September/ReliabilityandGeneralityofMeasuresofAccelerationPlannedAgilityandReactiveAgilityhttp://hdl.handle.net/10369/5687
Collections
- Sport Research Groups [1083]
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