Correction: European Journal of Applied Physiology
10.1007/s00421-025-06016-5
In the original version of this article, the image for Figure 4 is currently showing the second part of Figure 3, and the actual image for Figure 4 does not appear.
The Figs. 3 and 4 should have appeared as shown below.
Fig. 3.
Scatter plots showing the effect of the 6 weeks HIIT intervention on: (A) the VO2max (p < 0.001; η2 = 0.068 [medium effect size]) and (B) the mtDNA copy number (HBB/COX1 ratio) (p = 0.015; η2 = 0.072 [medium effect size]), comparing the two groups, before (Pre) and after (Post) intervention
Fig. 4.
Spaghetti plots showing the evolution of the mtDNA copy number (HBB/COX1 ratio) for each subject, comparing: (A) the HIIT intervention group; and (B) the control group, before (Pre) and after (Post) 6 weeks. Continuous lines indicate subjects who increased their mtDNA copy number after 6 weeks of intervention, and dotted lines indicate subjects who decreased their mtDNA copy number. For the HIIT intervention group (A), a significant time × group interaction was observed (p < 0.001, η2 p = 0.312 [large effect size]) comparing participants who showed an increase versus those who showed a decrease
The original article has been corrected.
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Isabel María Sánchez Lorente and Thomas Yvert contributed equally in the writing of this article.