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Body weight variations over 16 weeks, showing a physiological increase in all groups. The differences between groups, analyzed by two-way ANOVA followed by Tukey’s multiple comparison post hoc test, are not significant, as expected (p > 0.05). CTRL4W, control sedentary rats sacrificed at 4 weeks; PA4W, rats performing physical exercise sacrificed at 4 weeks; CTRL16W, control sedentary rats sacrificed at 16 weeks; PA16W, rats performing physical exercise sacrificed at 4 weeks.
