Explosive power is a defining quality in the triple jump event. The purpose of this study is to evaluate the effects of applying a 5-week complementary training program assisted by the Optojump Next System, which is included in the training program of top triple jumpers to improve power parameters. A total of 7 female triple jumpers [average age 22.4 years (±6.5 years); average body weight 59.1 kg (±3.6 kg); average height 171.9 cm (±3.2 cm)] participated in this experiment between May and June 2022. The testing of the athletes involved the application of tests from the Bosco protocol as well as some adapted tests (squat jump test on both legs, countermovement jump test, 15-s jump test on both legs, 15-s jump test on the right leg and on the left leg, squat jump test on the right leg and on the left leg) before and after the experiment in the form of initial and final tests. The obtained results demonstrated that the assisted training, performed with the Optojump Next System as part of the ameliorative protocol, has a beneficial impact on the parameters of power and explosive force in triple jumpers; the results at the group level highlighted notable differences between the two tests (differences in contact times in the 15-s jump tests at the group level: 0.037, 0.037 and 0.011 s; differences in flight time: 0.020, 0.029 and 0.012 s; differences in height: 3.39, 1.86 and 0.73 cm; power differences recorded: 6.32, 3.04 and 0.90 W/kg). The training with the Optojump Next System can positively affect the explosive strength performance.
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