اللياقة النفسية وعلاقتها بالإحباط الرياضي لدي لاعبي بعض الأنشطة الرياضية-

The research aims to identify the relationship between sports frustration and psychological fitness among players of some sports activities.The researcher used the descriptive approach using the survey method, in order to suit the nature of the research.The research sample was chosen randomly and consisted of (320) first-class players in Cairo and Giza governorates for activities ( Football -handball) as group activities, and (athletics -swimming) activities as individual activities, and those registered with the relevant Egyptian federations in the 2023/2024 sports season; It was divided into (260) players for the basic study, (60) players for the exploratory study, and the researcher used a measure of psychological fitness among players of some sports activities, and a measure of sports frustration among players of some sports activities prepared by him.The most important results indicated: The measure of psychological fitness among players of some sports activities was built, according to the scientific foundations of building standards in the field of psychological measurement and evaluation in the sports field, where the validity of the measure of psychological fitness among players of some sports activities was found through the validity of the internal consistency.It was also found The reliability of the arbitrators was also found, which confirms confidence in the scale for use in its final form, which consists of (50) statements distributed over five dimensions: the first dimension (selfawareness) includes (10) statements, the second dimension (emotion control) includes ( 10) statements, the third dimension (self-motivation) includes (10) statements, the fourth dimension (social skills) includes (10) statements, and the fifth dimension (efficiency in coping with pressures) includes (10) statements.The measure of sports frustration among players of some sports activities was built, according to the scientific foundations of building standards in the field of psychological measurement and evaluation in the sports field, where the validity of the measure of sports frustration among players of some sports activities was found through the validity of the internal consistency.It was also found The reliability of the arbitrators was also found, which confirms the confidence in the scale for use in its final form, which consists of (48) statements distributed over three dimensions: the first dimension (the personal dimension) includes ( 16) statements, the second dimension (the social dimension) includes ( 16) statements, the third dimension (the economic dimension) includes ( 16) statements.There are statistically significant differences between the average scores of the total psychological fitness scale and according to the levels of average scores of the sports frustration scale among players of some sports activities (low sports frustration -average sports frustration -high sports frustration), in favor of first-level players (low sports frustration).There is a statistically significant relationship at the level of 0.05 between the total score of the psychological fitness scale and the total score of the sports frustration scale among players of some sports activities.