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Percorrer por autor "Filho, Dalton Muller Pessôa"

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  • Anaerobic critical velocity and spring swimming performance in master swimmers
    Publication . Espada, Mário; Costa, Aldo; Louro, Hugo; Conceição, Ana; Filho, Dalton Muller Pessôa; Pereira, A
    The aims of this study were to determine and analyze the relationship between anaerobic critical velocity (AnCV, m.s-1) in master swimmers and short swimming distances performances. AnCV was determined for twenty four male master swimmers (42.0 ± 7.5 years) based on the performance in 15, 25, and 50 m swimming distances. Data was calculated for each swimmer using the slope of the distance-time relationship and compared with the individual best swimming performance in 100 and 200 m distances. AnCV15-25 (1.25 ± 0.22 m.s-1) was significantly lower than AnCV15-25-50 (1.29 ± 0.23 m.s-1) and AnCV25-50 (1.31 ± 0.23 m.s-1) was significantly faster compared to AnCV15-25 and AnCV15-25-50. All AnCV combinations were strongly correlated with swimming performance in 25, 50 and 100 m front-crawl (above 0.90, p < 0.01), and 25 and 200 m performances in master swimmers (below 0.90, p < 0.01). These findings suggest that AnCV can be used as a race-pace training reference to monitoring and prescribing anaerobic training in master swimmers, a non-invasive and inexpensive method that can estimate parameters normally obtained from blood lactate analysis.
    2016Artigo científico Acesso aberto Ver mais
  • Relationship between body composition, anthropometry and physical fitness in under-12 soccer players of different positions
    Publication . Aurélio, Jorge; Dias, Eduardo; Soares, Tiago; Jorge, Gonçalo; Espada, Mário; Filho, Dalton Muller Pessôa; Pereira, A; Figueiredo, Teresa
    This study aimed to investigate the relationship between body composition, anthropometry and physical fitness in under-12 soccer players who play in different positions. Eighteen players underwent a battery of tests, in body composition and anthropometry significant differences were observed in weight (44.0 ± 4.6 vs. 35.6 ± 4.0 kg; p = 0.04) and body mass index (18.1 ± 1.0 vs. 16.1 ± 1.2 kg/cm2; p = 0.01) between defensive and midfield players. In physical fitness differences occurred between the results in handgrip strength between defenders and forwards (21.3 ± 2.8 vs. 25.4 ± 3.7 kg; p = 0.04) and midfielders and forwards (20.5 ± 2.0 vs. 25.4 ± 3.7 kg; p = 0.04). Correlations occurred in the soccer defenders between body fat and the result of the agility test (r = -0.85, p <0.01). In the midfield players there was a correlation between height and countermovement jump (r = -0.91, p <0.05). It was also observed in the forward players a correlation between speed and agility (r = 0.88, p <0.05) and between agility and other two variables, body fat (r = 0.84, p <0.05) and handgrip strength (r = -0.93, p <0.01). A positive relationship between the aerobic performance and countermovement jump was also observed (r = 0.96, p <0.01), and a negative relationship between the aerobic performance and weight (r = -0.88, p <0.05). Under-12 soccer players should be involved in specific strength training and functional performance evaluated using scientific instruments for talent identification and training control.
    2016Artigo científico Acesso aberto Ver mais