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The median (25th, 75th percentiles) of HRR: heart rate recovery and Δ% HRR at 60, 180, and 300 s. The triathlon group (TG: ●; n = 16, solid line) and the high-intensity interval training combined with different types of exercises group (HG: ▼; n=18, dashed line) were compared by Mann–Whitney test. #: p < 0.01. ES: effect size. NS: non-significant.
