The purpose of our research was to establish the variability of correlation between the length of the jumps andselected multi-item kinematic variables (n=9) in the early flight phase technique of ski jumping. This study wasconducted on a sample of elite Slovenian ski jumpers (N=29) who participated in the experiment on a jumping hill inHinterzarten, Germany (HS95m) on the 20th of August, 2008. The highest and most significant correlations (p=0.01)with the length of the ski jump were found in the multi-item variable height of flying, which was also expressed with thehighest level of stability of the explained total variance (TV) on the first factor (TV=69.13%). The most importantcharacteristic of the aerodynamic aspect of early flight was the variable angle between the body chord and the horizontalaxis with significantly high correlations (p<0.05). The stability of that aerodynamic factor was very high (TV=65.04%).The results were essentially similar for the multi-item variable angle between left leg and the horizontal axis(TV=61.88%). The rest of the multi-item kinematic variables did not have significant correlations with the multi-itemvariable length of jump. Only two more variables, the angle between the upper body and the horizontal plane(TV=53.69%), and the angle between left ski and left leg (TV=50.13%), had an explained common variance on the firstfactor greater than 50% of total variance. The results indicated that some kinematic parameters of ski jumping earlyflight technique were more important for success considering the length of the jump.
Financed by the National Centre for Research and Development under grant No. SP/I/1/77065/10 by the strategic scientific research and experimental development program:
SYNAT - “Interdisciplinary System for Interactive Scientific and Scientific-Technical Information”.