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  • Title: Heart rate response and perceived exertion during twenty consecutive karate sparring matches.
    Author: Imamura H, Yoshimura Y, Uchida K, Tanaka A, Nishimura S, Nakazawa AT.
    Journal: Aust J Sci Med Sport; 1996 Dec; 28(4):114-5. PubMed ID: 9040901.
    Abstract:
    This study investigated the changes in heart rate (HR) and perceived exertion ratings (RPE) of 20 consecutive karate sparring matches each of 2 minutes duration. The resting and maximal HR (HRmax) responses to the maximal treadmill test were 69.8 +/- 2.9 beats.min-1 and 198.5 +/- 8.2 beats.min-1, respectively. The resting HR before the 20 sparring matches was 83.5 +/- 11.3 beats min-1. The mean HR during the 20 sparring matches was 191.8 +/- 9.4 beats.min-1 which was equal to 96.7 +/- 4.2% of HRmax. At the end of the 20 sparring matches, the mean RPE obtained was 19 +/- 2. The results of this study suggest that the subjects could continue the 20 sparring matches for about 40 minutes at the intensity close to the HRmax.
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