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Title: Kinetics Of Lactate Removal After Brazilian Jiu Jitsu Match
Authors: SOUZA-JUNIOR, Tacito P.PINHEIRO, DanielALMEIDA, Andre Luis Amaral RodriguesABAD, Cesar Cavinato Cal
Citation: MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, v.44, suppl.2, p.938-938, 2012
Abstract: The Brazilian Jiu Jitsu is one of the most practiced martial arts in the World but the number of studies about this sport is still poor. Traditionally, analysis of lactate concentrations have been used in different types of martial arts to determine the physiological profile, competitive performance, metabolic demand and the effect of physical training. PURPOSE: Verify the analysis of blood lactate during two simulated Jiu-Jitsu matches. METHODS: Twenty-one male athletes (age 28.33 ± 6.45 years, height, 1.75 ± 1.0 cm, body weight, 78.07 ± 9.40 kg, percent fat, 14.29 ± 4.79%, years of practicing , 11.03 ±2.4) performed two simulated 10-min match with a 48-hour interval. In both matches blood lactate were collected before and after each bout. RESULTS: Lactate at rest, heating, 1, 5 and 10 min were, respectively (0.94 ± 0.20, 2.19 ± 0.78, 10.05 ± 1.73, 7.77 ± 1.69, 6.28 ± 1.30 in bout 01 and 0.96 ± 0.14, 1.98 ± 0.78, 9.46 ± 0.96, 7.24 ± 1.24 e 5.74 ± 1.10 in bout 02). There were significant differences among all the moments of the same match (One-way ANOVA; p<0,05) but no difference for the same times between the bouts was found. The Pearson´s correlation about the lactate of two matches was 0.95 while the correlation between the matches at rest, heating, 1, 5 and 10 minutes were, respectively 0.59, 0.60, 0.47, 0.44, 0.47 (p <0.05). CONCLUSION: Our data suggest that the Brazilian Jiu Jitsu fight is very intense and use glycolisys to produce energy. The blood lactate concentration in two fights at 48 hours of intervals are repeatable and can be used for assessment, prescription and monitoring the specific training when performed with the same opponents.
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