Purpose of our study was to outline some aspects of physiologic pattern at athletes, including the selection of future sportsmen, objective evaluation of training quality and highlights of sub-clinical lesions existence, that may influence sportive performance, with the help of some electroneurographic parameters, muscular response and nervous conduction velocity, in order to emphasize the differences between sports and athletes` gender. The study included 27 athletes, 14 boys and 13 girls, with an average age of 17 years, who practiced professional handball, volleyball or fence, sportive disciplines, where the use of upper members is asymmetrical. By stimulating the median nerve, of each subject of the studied group, were recorded symmetrically, at right and left hands, the muscular response and nervous conduction velocity, by using Nihon-Kohden MEP-9600 device. When comparing the group of sportsmen with that of the sportswomen, were recorded numerous statistically significant differences, for both studied parameters. Thus, when comparing data obtained for the entire group with the subgroups of tested sports, as well as between sports, significant differences for amplitude, area and duration of muscular response were recorded and only the ones, of the handball-fence subgroups, were different, when comparing the values of nervous conduction velocity. Present study revealed specific functional neurological and muscular adaptations, determined by professional training, which represent different aspects of athletes` neurophysiologic profile, so important and necessary to obtain high sportive performance.
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