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Heart rate (A), fractional shortening (B) and ejection fraction (C) in untrained and exercise-trained shamoperated mice (CON-UT and CON-T, respectively), and untrained and exercise-trained MI mice (HF-UT and HF-T, respectively). Note that exercise training decreased HR, and increased FS and EF levels in HF mice toward those of untrained CON mice
Data are presented as means ± SE. *P < 0.05 vs. basal levels; #p< 0.05 vs. untrained group.
