Background. Athletes who compete will respond to a lot of energy, thus requiring maximum oxygen uptake and recovery to maximize body performance. This study aimed to analyze whether the athlete's VO2max level affects the reduction in heart rate after MFT. Methods. This type of research used a quasi-experimental study with a one-shot case study approach. Sampling used a purposive sampling technique with a sample size of 10 Persinas ASAD Semarang City pencak silat athletes. VO2max measurements using MFT and the reduction in heart rate post-MFT assisted MFT through Active recovery (6 minutes). Data analysis techniques used quantitative descriptive statistics and correlation tests. Results showed no correlation between VO2max levels and heart rate reduction post-MFT because the overall Sig. value was greater than 0.05. Although the VO2max level was good and the decrease in heart rate (bpm) post-MFT experienced a good decrease in the 1st minute (24.4), 2nd minute (17.5), 3rd minute (7.4), 4th minute (8.8), 5th minute (5.7), and 6th minute (5.7), Conclusions. The two variables did not influence each other, the two variables did not influence each other, meaning that the VO2max level and the reduction in heart rate were caused by different factors such as the homeostatic adaptation of each individual.
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