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. 2021 Mar 1;18(5):2401. doi: 10.3390/ijerph18052401

Figure 3.

Figure 3

Mean (black line) and individual values (dots) in the relative changes compared to the control period in the nocturnal HRV (lnHF), heart rate-running speed index (HR-RS index), countermovement jump (CMJ), and perceived recovery. The gray area represents the smallest worthwhile change. ## p < 0.01 in between-group comparison.