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A Representative photomicrography of cardiac tissue. B Myocardial infarct extension. C Infarcted wall thickness. D Cardiac collagen content. SHAM, control. SED-MI, sedentary and given a MI. ET-MI, exercise trained and given a MI. Vv, volume density. Data are presented as the mean±SEM. *p<0.05 vs. SHAM; #p<0.05 vs. SED-MI (ANOVA followed by Tukey's test).
