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Interval training-induced effects on cardiovascular function between genotypes. Bar graph of the mean ± SD of interval training-induced effects per ACE-I/D genotype (i.e., after vs. before 8 weeks of interval-type training) for parameters characterizing aerobic muscle metabolism at rest before ramp exercise. *, p < 0.05. 
, p < 0.05 I vs. no I (for post- vs. pre-, meaning pre- versus post-training intervention).
