The research aims to identify the effect of plummetric training on the mechanics of ascent and flight of the Egyptian national team players in the long jump by identifying the effect of plummetric training on some physical variables in the long jump competition, identifying the effect of plummetric training on the biomechanical variables of the general center of gravity of the body in the long jump competition, identifying the effect of plummetric training on the digital level in the long jump competition, and the researcher used the experimental method using one group using the (pre-post) measurement, and the survey studies and all research measurements were conducted within a training program specific to the long jump competition. The research community amounted to 20 players, from whom 10 players were selected as a distinguished group and 10 players as a non-distinguished group. The pre-measurements were conducted, then the moderation of the values of the research variables for the sample was confirmed before starting The experiment was implemented and the plummetric exercises were applied during the special preparation period within a special training program for the long jump competition for a period of (8) weeks at a rate of (3) training units per week and the unit time is 90 minutes. After completing the application of the plummetric exercises, the dimensional measurements were carried out (photographing the long jump attempts and measuring the distance) and the statistical treatments were carried out: the torsion coefficient - the average - the standard deviation - the correlation coefficient - the (t) test. The most important results were that the plummetric exercises improved the numerical level of the long jump team players. The plummetric exercises had a positive effect on some biomechanical variables for advancement in the long jump competition. The plummetric exercises had a positive effect on some biomechanical variables for flight in the long jump competition.