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São Paulo, São Paulo, Brazil
Professor da EEFE-USP; Praticante e Pesquisador de Judô; Preparador físico de atletas de modalidades esportivas de combate.

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domingo, 24 de fevereiro de 2013

PSE, FC e lactato no randori (vai sair no Asian Journal of Sports Medicine)

Association between Rate of Perceived Exertion, Heart Rate and Blood Lactate in Successive Judo Fights (Randori)
Branco, Braulio H.M.; Massuça, Luis M.; Andreato, Leonardo V.; Marinho, Bruno F.; Bianca Miarka; Monteiro, Luis; Franchini, Emerson.
Purpose: This study aims to investigate the association between the rate of perceived exertion (RPE), heart rate (HR) and the blood lactate concentration ([La]) in successive judo fight simulations (randori).
Ten athletes participated in the study (age: 25.6±2.1 years; stature: 1.75±0.07 m; body mass: 75.6±14.9kg; %BF: 11.5±7.8%; practice: 14.5±6.2 years) and completed 4 judo fight simulations (T1 to T4) with duration of 5 min
separated with a 5 min passive recovery periods. Before each randori, [La] and HR were collected, and after each randori, the same measures and the RPE (CR-10 scale) were collected. Results: Significant correlations were observed between: (1) CR-10 and HR (T2: r =0.70; T3: r =0.64; booth, P<0 .05="" a="" and="" nbsp="" p="" r=".71," span="">0.05; T2-T3: r =0.92, P<0 .01="" moreover="" nbsp="" p="" r="0.73," significant="" span="" t3-t4:="">differences were noted in the behavior of the HR between the 2nd (T2) and 3rd (T3) judo fight simulations (P<0 .05="" nbsp="" span="">Conclusion: The use of CR-10 in the evaluation process, as well as in deciding the load of training in judo, should be done with caution.

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