Strength training improves heart function, collagen and strength in rats with heart failure

Table 3 Echocardiographic parameters of left ventricle after strength training program

Parameters	C	MI	MIT	F	p
Structural
LVDA (mm)	26.3 ± 1.8	47.3 ± 5.8*	37.5 ± 2.1*^†	80.90	< 0.0001
LVSA (mm)	12.2 ± 0.7	37.3 ± 5.6*	26.3 ± 2.2*^†	126.2	< 0.0001
Functional
E (m/s)	73.6 ± 9.8	89.9 ± 13.3*	80.5 ± 12.8	4.58	0.0193
A (m/s)	28.2 ± 5.6	18.4 ± 2.4*	27.5 ± 5.8^†	12.58	0.0001
E/A	2.71 ± 0.71	5.18 ± 0.54*	2.80 ± 0.42^†	59.85	< 0.0001
LVFS (%)	53.4 ± 3.1	21.4 ± 3.9*	29.8 ± 7.3*^†	104.7	< 0.0001

Values expressed as mean ± SEM of control (C, n = 10), infarcted (MI, n = 10) and infarcted and trained (MIT, n = 10) groups
LVDA: left ventricle diastolic area, LVSA: left ventricle systolic area, E: E wave velocity, A: A wave velocity, E/A: E to A ratio, LVFS: LV fractional shortening
*p < 0.05 vs. C. ^†p < 0.05 vs. MI, by 1-way ANOVA plus Tukey’s post hoc

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