The purpose of this study was to estimate effects on shooting speed by eggbeater kick`s training and weight training that are supposed to effect on shooting speed. In addition, it will explain what physical and technical factors relate to shooting speed. Eighteen members of Japan men`s university water polo team participated in the study. The eleven players belong to the training group and other seven players belong to the control group. The former is regarded as the training group which performs the effect of special training that was proven in the pilot study. The special training consisted of an underwater training using a tube and a weight training for specific body parts. On the other side, the latter is regarded as the control group, they didn`t carry any special training but normal training. As results, after they worked out their respective training, we found that both of them improved their shooting speed. The training group significantly stepped up to 2.2km/h (p=0.016) while the control group did to 1.4km/h (P=0.0008). Moreover, we found that the wrist curl related to physical factors and a height of the right elbow and the right toe related to technical factors. Those are, however, only confirmedin the training group. Therefore, it is allowed the special trainings in the experiment were valuable. It was also found that the enforcement of the wrist curl and the height of dominant side`s toe and elbow were important to improve shooting speed. Moreover, improvement of eggbeater kick is essential in order to raise the height of dominant side`s toe.
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