Document Detail

Anthropometric, biomechanical, and isokinetic strength predictors of ball release speed in high-performance cricket fast bowlers.
MedLine Citation:
PMID:  20552518     Owner:  NLM     Status:  MEDLINE    
Fast bowling is fundamental to all forms of cricket. The purpose of this study was to identify parameters that contribute to high ball release speeds in cricket fast bowlers. We assessed anthropometric dimensions, concentric and eccentric isokinetic strength of selected knee and shoulder muscle groups, and specific aspects of technique from a single delivery in 28 high-performance fast bowlers (age 22.0 +/- 3.0 years, ball release speed 34.0 +/- 1.3 m s(-1)). Six 50-Hz cameras and the Ariel Performance Analysis System software were used to analyse the fast and accurate deliveries. Using Pearson's correlation, parameters that showed significant associations with ball release speed were identified. The findings suggest that greater front leg knee extension at ball release (r=0.52), shoulder alignment in the transverse plane rotated further away from the batsman at front foot strike (r=0.47), greater ankle height during the delivery stride (r=0.44), and greater shoulder extension strength (r=0.39) contribute significantly to higher ball release speeds. Predictor variables failed to allow their incorporation into a multivariate model, which is known to exist in less accomplished bowlers, suggesting that factors that determine ball release speed found in other groups may not apply to high-performance fast bowlers.
Shohn Wormgoor; Lois Harden; Warrick Mckinon
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  Journal of sports sciences     Volume:  28     ISSN:  1466-447X     ISO Abbreviation:  J Sports Sci     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-08     Completed Date:  2011-05-11     Revised Date:  2012-05-16    
Medline Journal Info:
Nlm Unique ID:  8405364     Medline TA:  J Sports Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  957-65     Citation Subset:  IM    
Biokinetic Clinic, UJ Sport, University of Johannesburg, Auckland Park, South Africa.
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MeSH Terms
Joints / physiology*
Knee / physiology
Motor Skills / physiology*
Movement / physiology*
Muscle Strength / physiology*
Range of Motion, Articular / physiology*
Shoulder / physiology
Sports / physiology*
Task Performance and Analysis
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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