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Asian Journal of Sports Medicine

Sports Medicine Research Center, TUMS

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https://doi.org/10.5812/asjsm.34494

Association between the Rating Perceived Exertion, Heart Rate and Blood Lactate in Successive Judo Fights (Randori)

Author(s):
Braulio H.M. BrancoBraulio H.M. Branco1,*, Luis M. MassuaLuis M. Massua4, Leonardo V. AndreatoLeonardo V. Andreato1, Bruno F. MarinhoBruno F. Marinho5, Bianca MiarkaBianca Miarka1, Luis MonteiroLuis Monteiro6, Emerson FranchiniEmerson Franchini1
1Martial Arts and Combat Sports Research Group of Physical Education and Sport School, University of So Paulo, Brazil
4Faculty of Human Kinetics, Technical University of Lisbon, Cruz Quebrada, Portugal
5Federal University of Viosa, Brazil
6Portuguese Judo Federation
Asian Journal of Sports Medicine:Vol. 4, issue 2; 125-130
Published online:Feb 22, 2013
Article type:Research Article
Received:Aug 30, 2012
Accepted:Feb 14, 2013
How to Cite:Branco BH, Massua LM, Andreato LV, Marinho BF, Miarka B, et al. Association between the Rating Perceived Exertion, Heart Rate and Blood Lactate in Successive Judo Fights (Randori). Asian J Sports Med. 2013;4(2):34494. doi: https://doi.org/10.5812/asjsm.34494

Abstract

Purpose:

This study aims to investigate the association between the rating of perceived exertion (RPE), heart rate (HR) and the blood lactate concentration ([La]) in successive judo fight simulations (randori).

Methods:

Ten athletes participated in the study (age: 25.62.1 years; stature: 1.750.07 m; body mass: 75.614.9kg; %BF: 11.57.8%; practice: 14.56.2 years) and completed 4 judo fight simulations (T1 to T4) with duration of 5 min separated by 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; both, P<0.05); (2) ?CR-10 and ?[La] (T1-T2: r = .71, P< 0.05; T2-T3: r =0.92, P<0.01; T3-T4: r =0.73, P<0.05). Moreover, significant differences were noted in the behavior of the HR between the 2nd (T2) and 3rd (T3) judo fight simulations (P<0.05).

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.

Keywords
Judo
Athletes
Blood Lactate
Heart Rate
Sports

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