S??rie de treinamento intervalado de alta intensidade como ??ndice de determina????o da toler??ncia ?? acidose na predi????o da performance anaer??bia de nata????o

  • Deminice R
  • Gabarra L
  • Rizzi A
 et al. 
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The aim of the present study was to determine the acidosis tolerance through one high intensity interval swim serie and to relate with anaerobic threshold speed (ATS), blood lactate peak concentration ([Lac]peak), anaerobic work capacity (AWC), stroke rate (SR), stroke length (SL) and stroke index (SI) in swimming 100 m performance prediction. Ten swimmers performed six maximal swims along 100 m by crawl style with 6 minutes for a rest. Blood samples were taken 5 minutes before each swim for lactate analyses ([Lac)]. Through the division of the [Lac] for the time to complete the 6 swims, was determined acidosis tolerance (AT). The numbers of strokes in the six efforts were taken for SR, SL and SI determination. A maximal 100 m swim was considered as performance parameter (P100) and blood samples were taken for blood lactate peak concentration determination ([Lac]peak). Three progressive efforts along 400 m were accomplished for ATS determination corresponding to 3.5 mM lactate fixed concentration; 200 and 400 m maximal efforts were accomplished for AWC determination by linear regression (linear coefficient). The results showed significant correlations (p < 0.05) of AT with ATS (r = 0.77), [Lac]peak (r = 0.81), SL (r = 0.85) and SI (r = 0.84). Moreover, P100 was correlated with ATS (r = 0.88), AT (r = 0.95), [Lac]peak (r = 0.77), SL (r = 0.97) and SI (r = 0.96). It was concluded that AT determined through a high intensity training series appears to be useful to anaerobic fitness determination and 100 m swim performance prediction, besides suffer SL and SI influence.

Author-supplied keywords

  • Acidosis tolerance
  • Interval training
  • Performance
  • Stroking parameters
  • Swimming

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