Validation of the lactate minimum test as a specific aerobic evaluation protocol for table tennis players

The purpose of this study was to validate the lactate minimum test as a specific aerobic evaluation protocol for table tennis players. Using the frequency of 72 balls·min-1 for 90 sec, an exercise-induced metabolic acidosis was determined in 8 male table tennis players. The evaluation protocol began with a frequency of 40 balls·min-1 followed by an increase of 8 balls·min-1 every 3 min until exhaustion. The mean values that corresponded to the subjects' lactate minimum (Lacmin) were equal to 53.1 ± 1.5 balls·min-1 [adjusted for the time test (Lacmin_time)] and 51.6 ± 1.6 balls·min-1 [adjusted for the frequency of balls (Lacmin_Freq)], which resulted in a high correlation between the two forms of adjustment (r = 0.96 and (P = 0.01). The mean maximum lactate steady state (MLSS) was 52.6 ± 1.6 balls·min-1. Pearson's correlations between Lacmin_time vs. MLSS and Lacmin_freq vs. MLSS were statistically significant (P = 0.03 and r = 0.86, P = 0.03 and r = 0.85, respectively). These findings indicate that the Lacmin test predicts MLSS. Therefore, it is an excellent method to obtain the athletes' anaerobic threshold. Also, there is the advantage that it can be performed in 1 day in the game area. However, the Lacmin value does not depend on the Lacpeak value.

Estudo de SNPs do cromossomo Y na população do Estado do Espirito Santo, Brasil

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Identificação de SNPs (Single Nucleiotide Polymorphisms) no gene colina monooxigenase relacionado ao metabolismo da glicina betaína em Eucalyptus

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Desenvolvimento e implementação de modelos para simulação de dados SNPs

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Polimorfismos de nucleotídeo simples (SNPs) em genes codificadores de citocinas e suas correlações com parâmetros clínicos e laboratoriais de pacientes portadores do vírus da imunodeficiência humana

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Avalição de polimorfismos de nucleotídeos simples (SNPs) na região promotora de gene da interleucina 10 em pacientes com Linfoma de Hodgkin

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

SNPs (Single Nucleotide Polymorphisms) em genes relacionados a absorção e translocação de Boro em Eucalyptus

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Desenvolvimento de marcadores SNPs (Single Nucleotide Polymorphisms) para estudos populacionais do mosquito Aedes aegypti no Brasil

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Comparison of maximal lactate steady state with V2, V4, individual anaerobic threshold and lactate minimum speed in horses

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Utilization of teflon and aluminum oxide for wheel cleaning in Minimum Quantity Lubrication (MQL) grinding

Researches concerning cooling-lubrication optimization in grinding have been conducted to contribute to a more sustainable process. An alternative to flood coolant is minimum quantity lubrication (MQL), which spray oil droplets in a compressed air jet. However, problems related to wheel cleaning were reported, due to wheel loading by a mixture of chips and oil, resulting in worsening of surface quality. This work aims to evaluate the viability of Teflon and aluminum oxide for wheel cleaning, compared to MQL without cleaning and MQL with cleaning by compressed air, through the following output variables: surface roughness, roundness, wheel wear, grinding power and acoustic emission. Vickers microhardness measurements and optical microscopy were also carried out. The results showed that both materials were efficient in cleaning the wheel, compared to MQL without cleaning, but not as satisfactory as compressed air. Much work is to be done in order to select the right material for wheel cleaning.

Minimum Evaporation Model of Dermatological Delivery Systems. Lamellar Liquid Crystal Formulations Containing Brazilian Nut (Bertholletia excelsa HBK) Vegetable Oil and Guarana Glycolic Extract

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Utilization of Minimum Quantity Lubrication (MQL) with Water in CBN Grinding of Steel

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

SNPS em genes candidatos para potencial atlético como possíveis marcadores para desempenho em corrida em equinos da raça quarto de milha

Pós-graduação em Genética e Melhoramento Animal - FCAV

Zero, minimum and maximum relative radial acceleration for planar formation flight dynamics near triangular libration points in the Earth-Moon system

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)