Performance tolerance and boat set-up in elite sprint kayaking

Das Ziel der Studie war die Untersuchung der Beziehungen zwischen der Morphologie des Athleten, der Ausrüstung und der Leistung im Kajak-Sprint. Es wurden Korrelationen von Daten der Olympischen Spiele 2000 für die Findung der wichtigsten Beziehungen zwischen Morphologie und Bootsbau - Paddelgriffweite und Fußabstand - verwendet. Die Untersuchungen erfolgten mit drei Testpersonen. Die Ergebnisse der Untersuchungen haben gezeigt, dass die Sportler konstante Bewegungsmuster ausführen. Veränderungen am Boot führten zu Veränderungen der Bootsgeschwindigkeit. Die mittlere bevorzugte Bootsgeschwinidgkeit der drei Kanuten von 4,47 m/s verringerte sich um 0,07 und 0,1 m/s bei den durchgeführten Veränderungen am Boot. Diese Geschwindigkeitsveränderungen waren die Folge von Veränderungen der Mechanik der Paddeltechnik. The aim of this study was to examine the inter-relationship between athlete morphology, equipment set-up and performance in elite sprint kayaking. Correlations applied to data from the 2000 Olympics were used to select the most important links between morphology and boat set-up — paddle grip width and foot-bar distance. Associations between body size and the above selected equipment set-ups were calculated using a Pearson correlation matrix, to facilitate the logical selection of independent variables as input for regression analyses. Significant (p < 0.01) regression equations were developed for the prediction of foot-bar distance (r2 = 0.589: standard error of estimate (SEE) = 4.48) and paddle grip width (r2 = 0.541: SEE = 3.08). Three national-standard sprint kayakers used their preferred set-up together with modifications of their predicted set-up, derived from Olympic data, to test performance tolerance in sprint kayaking. Mean coefficients of multiple determination over three trials for the three paddlers of 0.91, 0.91 and 0.92 for left paddle force, right paddle force, and paddle angle at water entry, respectively, were recorded when using their preferred set-up. These data showed that the paddlers produce consistent patterns of motion. The intervention of altering the boat set-up resulted in varying changes to boat speed. The mean preferred speed for the three paddlers of 4.47 m/s was reduced by 0.07 and 0.10 m/s when the above boat set-up was modified to a predicted and `predicted plus one standard deviation` respectively. These changes in boat speed were the result of alterations in the mechanics of paddling technique.
© Copyright 2006 Sports Biomechanics. Routledge. Julkaistu Tekijä Routledge. Kaikki oikeudet pidätetään.

Aiheet: kajakki kilpamelonta sprintti urheiluvälineet
Aihealueet: kestävyys urheilu urheilutilat ja urheiluvälineet
Julkaisussa: Sports Biomechanics
Julkaistu: Edinburgh Routledge 2006
Vuosikerta: 5
Numero: 1
Sivuja: 77-94
Julkaisutyypit: artikkeli
Kieli: englanti (kieli)
Taso: kehittynyt