The associations between fast bowling technique and ball release speed : a pilot study of the within-bowler and between-bowler approaches
Deutscher übersetzter Titel: | Die Zusammenhänge zwischen Fast-Bowl-Technik und Ballabwurfgeschwindigkeit : eine Pilotstudie über die methodischen Wege, den Wurf eines und die Würfe mehrerer Bowler im Vergleich zu untersuchen |
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Autor: | Salter, Craig W.; Sinclair, Peter James; Portus, Marc R. |
Erschienen in: | Journal of sports sciences |
Veröffentlicht: | 25 (2007), 11, S. 1279-1285, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource |
Sprache: | Englisch |
ISSN: | 0264-0414, 1466-447X |
DOI: | 10.1080/02640410601096822 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU201312008757 |
Quelle: | BISp |
Abstract des Autors
The inability of the between-bowlers methodology to control parameters external to technique could lead to erroneous significant and non-significant associations being reported between fast-bowling technique and ball release speed. Using Pearson's product – moment correlation, we first examined the effectiveness of a within-bowler methodology to identify associations between technique and ball release speed of an elite semi-open fast bowler over 20 deliveries. These results were compared with associations identified from a between-bowlers methodology in which 20 single-performance trials bowled by elite fast bowlers adopting a semi-open shoulder alignment were collated. Sufficient variation was observed in within-bowler ball release speed to allow f relationships to be identified between technique and ball release speed. Although greater variation in bowling technique parameters was observed in the between-bowlers methodology, no associations were identified between technique and ball release speed. Multiple stepwise regression analysis showed that 87.5% of the within-bowler variation in ball release speed can be attributed to run-up velocity, angular velocity of the bowling arm, vertical velocity of the non-bowling arm, and stride length. The within-bowler methodology provided significant detailed information about the individual bowler that the between-bowlers methodology overlooked, forming the basis of a performance enhancement programme. It is recommended that within-bowler methodology be used in future investigation of technique relationships. Verf.-Referat