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Figure 1 Measurements of scar size. (A) Representative transversal sections stained with Masson trichrome; bars = scar borders. (B) Relative scar area expressed as percent of left ventricular (LV) cross-sectional area. Values expressed as mean ± SD. *p = 0.00007 vs. SedMI; SedMI, n = 15; ExMI, n = 14. ExMI = exercised-infarcted; MI = myocardial infarction; SedMI = sedentary-infarcted.