抄録
In alpine ski races, suitability of design of ski boots is important to achieve accurate and quick lean of legs of ski racers in turns. This study is aimed at developing a new ski boots that can improve the results of alpine ski races for Japanese alpine racer. In this paper, the optimum range of the upper shell height for quick lean of a skier was demonstrated by utilizing principle component analysis. Finally, the effect of the new optimum range of the upper shell was verified in field test by Japanese alpine ski racer.
