The research aimed to prepare (cross-fit) exercises for use in training the functional physical abilities of young people, as well as to identify the results of the impact of (cross-fit) exercises on the physical and functional abilities and developing the skill of spike volleyball for young people. Researchers used experimental methods, experimental groups and control groups. The research population was chosen intentionally, and they are the youth of the Diyala Governorate volleyball clubs for the season (2022/2023), and they are the (Badruz, Shahrban, Specialized School for Talent Care in Baqubah District) club, who number (58) players. As for the research sample, it was chosen randomly by The draw was Shahraban Club and the players of the Specialized School for Talent Care in Baqubah District, who numbered (32) players, with (16) players for each club, representing a percentage of (55.17%) from the community of origin. Through the results, the researcher concluded that cross-fit training had an impact. In developing some physical and functional abilities among members of the research sample, in addition to the fact that it contributed to tangible changes in both body mass as well as explosive strength and speed, and that the use of cross-fit exercises achieved the advantage of influencing some functional physical abilities compared to the usual method, and it Through the above, the researcher recommends the necessity of paying attention to (cross-fit) training and working to develop training curricula that take into account the physical components of players and the necessity of preparing special training curricula for using (cross-fit) training. ) for all ages and for both sexes because it has an effect in increasing the efficiency of the functional systems in the body.