The level of skill performance in handball and its relationship to some psychophysiological symptoms Accompanying the menstrual stages The research aims to identify: 1- Differences in research variables (anxiety, nervous system efficiency, and skill level performance) in menstrual stages (reproductive - secretory - destructive) 2- The relationship between anxiety, nervous system efficiency, and skill level performance variables at each stage of menstruation The researcher used the descriptive method using the surveys And the research community included first year students at the Faculty of Physical Education for Girls - Zagazig University in the academic year 2000/2001 The research sample was chosen intentionally by the first year students and their number is (52) students, after subjecting them to the conditions of choice represented by their regularity in menstruation and the occasion of the menstrual cycle periods and the time period of the research procedures. The most important results were: 1- Reproductive stage (the first ten days after the end of menstruation) represents the best periods of female nervous system efficiency, and they have lower levels of anxiety 2- The anxiety rates increase during the destructive period (menstrual period) for female students, and they also have decreased efficiency of the nervous system 3- There is a positive correlation statistically significant between the students ’skillful performance in handball and the efficiency of the nervous system, especially in the reproductive period 4- The skill performance of handball for female students is related to their level of anxiety, especially in the destructive period 5- The efficiency of the nervous system is negatively related to the level of skill performance in handball, especially in the destructive period