Comparison of Heart Rate Variability according to Performance in Elite Female Judo Athletes

  • Bae, Moon-jung (Department of Medicine and Science, Korean Sport & Olympic Committee) ;
  • Kim, Hyun-Chul (Department of Medicine and Science, Korean Sport & Olympic Committee) ;
  • Park, Ki-Jun (Department of Physical Therapy, GangneungYeongdong University)
  • Received : 2019.10.30
  • Accepted : 2019.12.17
  • Published : 2020.02.29


PURPOSE: This study was to investigate examined the differences in the autonomic nervous functions of elite female judo athletes according to their performance by measuring the heart rate variability (HRV). METHODS: Sixteen elite female judo players participated in this study. The participants were divided into a high performance and low performance group according to the results of their competitions. The HRV (mean heart rate, SDNN, RMSSD, TP, LF, HF, LF/HF ratio) was measured in the resting status. A t-test was used to compare the two groups, and bivariate logistic regression analysis was performed to determine the HRV elements that affect performance. The data were analyzed using IBM SPSS Statistics ver. 24.0 (IBM Co., Armonk, NY, USA). RESULTS: The mean heart rate was higher in the high performance group (72.88) than in the low performance group (64.75) (p=.049). The LF/HF ratio was higher in the high performance group (3.43) than in the low performance group (0.83), and the results were significant (p=.038). No HRV elements having a significant effect on the performance were observed. CONCLUSION: This study showed that the activity of the sympathetic nervous system was dominant in the high performance group in the resting status than in the low performance. The high performance group is believed to be in the overtraining status who experience more stress.


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