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    Efeitos do treinamento pliométrico ou carga ótima no desempenho neuromuscular de jogadores de voleibol
    (Universidade Federal de São Paulo (UNIFESP), 2021) Oliveira, Andre Luiz Silva de [UNIFESP]; Guerra, Ricardo Luís Fernandes [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    Introduction: Volleyball is a sport with intermittent characteristics and depends on neuromuscular aptitude to perform short and fast multidirectional displacements, linear speed, agility and muscle power, with the vertical jump being one of the most important actions in the game. Training methods such as plyometrics and optimal load can be used to increase muscle power and contribute to improving power performance such as in the vertical jump. However, it is still necessary to compare and verify if there are differences between the methods and which would enable the highest performance. Objective: Compare and identify which of the training methods (plyometrics or optimal load) is more effective to increase the vertical jump performance and specific neuromuscular capacities of volleyball players, as well as compare the possible changes between moments during training. Methods: Twenty-five male volleyball athletes from 17 to 20 years of age who compete in the São Paulo Federation of Volleyball competitions participated in the study. At the beginning of training, speed, agility and vertical jump were adopted, with athletes repeating as assessments every 3 weeks, except for the vertical jump, which was assessed throughout the week. The mandatory duration of 6 weeks with 2 trainings per week and the athletes were divided into 3 groups: Plyometrics Group (GP), Optimal Load Group (OCG) and Control (CG). Results: When comparing the GP and GCO groups, it was observed that there were no differences in any of the variables evaluated at any time. However, when compared to the control group, there was a difference after 6 weeks for the GCO x CG agility tests (TE: 1.53; p = 0.044), speed (5 m): GCO x CG (TE: 2.13 ; p = 0.003), GP x GC (TE: 1.62; p = 0.021), speed (10m): GCO x GC (TE: 2.34; p = 0.004), GP x GC (TE: 2.00 ; p = 0.007). Conclusion: Plyometric training as well as optimal load training are effective in increasing neuromuscular performance after 6 weeks of intervention, with no statistically significant difference between the two methods.