Improvement of systolic and diastolic heart function after physical training in sedentary women

The present study examined the cardiac effects of football training and running for inactive pre-menopausal women by standard echocardiography and tissue Doppler imaging. Thirty-seven subjects were randomized to two training groups training 1 h with equal average heart rates twice a week for 16 weeks and compared with a matched inactive control group. During the training period, left ventricular end-diastolic volume increased by 13% in FG and 11% in RG. Left ventricular posterior wall thickness increased in FG from 8.5±1.4 to 9.0±1.3 mm. Right ventricle diameter increased by 12% in FG and 10% in RG. Tissue Doppler imaging demonstrated increased left ventricular systolic and diastolic performances in both training groups. Peak systolic velocity increased by 26% in FG and 17% in RG (P<0.05) and left ventricular longitudinal displacement increased in both groups by 13%. Isovolumetric relaxation time decreased significantly more in FG than in RG .

In conclusion, 16 weeks of football and running exercise training induced significant changes of cardiac dimensions and had favorable effects on both left ventricular systolic and diastolic function. These training-induced cardiac adaptations appeared to be more consistent after football training compared with running.

L. J. Andersen, P. R. Hansen, P. Søgaard, J. K. Madsen, J. Bech, P. Krustrup. Improvement of systolic and diastolic heart function after physical training in sedentary women. Scandinavian Journal of Medicine & Science in Sports, 2 Feb 2010, online article ahead of print

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