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- ItemSomente MetadadadosEfeitos 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.
- ItemAcesso aberto (Open Access)Potência e velocidade de membros inferiores e lançamento de bola em atletas de goalball(Universidade Federal de São Paulo (UNIFESP), 2014-12-10) Souza, Ana Deise Rocha de [UNIFESP]; Winckler, Ciro [UNIFESP]; http://lattes.cnpq.br/2067947156482139; http://lattes.cnpq.br/3097865725807436; Universidade Federal de São Paulo (UNIFESP)O objetivo deste trabalho foi avaliar a potência de membros inferiores e a relação de lançamento de bola de jogadores de goalball. Foram avaliados seis atletas do alto rendimento da Seleção Brasileira de Goalball com idades entre 18 e 40 anos, com minimamente um ano de prática na modalidade e que estavam em regime de treinamento. Os testes foram: antropometria, tempo de lançamento de bola aferido através de fotocélulas, salto vertical sem contra movimento e salto vertical com contra movimento, através da plataforma de contato. Para análise estatística, foi feita uma análise descritiva e uso do Software utilizado foi o SPSS20. A média de idade foi de 25,66 ±6,34 anos e tempo de prática de 12,66 ±8,11 anos. Os valores de potência de membros inferiores foram de 5028,36±169,37W no salto sem contra movimento e 5052,83±700,68W no salto com contra movimento, de velocidade no sem contra movimento 2,90±0,31m∕s e no salto com contra movimento 2,94±0,32m∕s; Já nos arremessos temos as médias de potência e velocidade respectivamente: 543,10±15,42W e 13,5±1,74m∕s do arremesso estático, 674,94±300,55W e 14,40±2,42m∕s do arremesso com deslocamento, 867,75±390,63W e 15,62±3,11m∕s arremesso no principal estilo do atleta. Encontramos diferença significativa p≤0,01. Pode-se concluir que houve diferença significativa, porém não houve correlação entre as variáveis estudadas.
- ItemSomente MetadadadosRelação entre o pico de torque de joelho e saltos em atletas velocistas de atletismo paralímpico(Universidade Federal de São Paulo (UNIFESP), 2018-09-27) Pinho, Yanne de Toledo [UNIFESP]; Winckler, Ciro [UNIFESP]; http://lattes.cnpq.br/2067947156482139; Universidade Federal de São Paulo (UNIFESP)Due To The Reduced Time In Speed Trials In Paralympic Sport, The Literature Has Sought Methods In Order To Develop Tests That Can Analyze Performance Of Lower Limbs. The Isokinetic Dynamometer Is The Most Used Method For Analysis Of Lower Limbs, Where It Can Measure Several Variables, For Example The Peak Torque Of The Muscles, Allowing To Analyze The Ratio Between Muscle Groups And The Contralateral Muscle Ratio. Currently, Exercises That Approximate The Movement Of The Race, Such As Horizontal Triple Jump And Squat Jump (Sj / Against Movement - Cmj) Are Being Used In The Training Of Paralympic Athletes, Since These Can Contribute To The Increase And Analysis Of Performance, As Well As Unilateral Contralateral (Right / Left) Muscle Adjustments. Aim: The Objective Of This Study Was To Correlate The Performance Of The Isokinetic Peak Torque With The Performance Of Bilateral And Unilateral Vertical Jumps, And Unilateral Horizontal Jumping. Method: The Data Used In The Research Were Extracted From The Paralympic