Echocardiographic changes during a 1 year exercise program in previously sedentary middle aged men

Previous echocardiographic studies of the effects of physical conditioning have focused primarily on persons aged 35 and younger who undergo exercise training for six months or less [1, 2, 3, 4]. In this study, 81 healthy but previously sedentary men, aged 35–55, were randomly assigned to exercise and control groups, to examine the effects on cardiac dimensions and plasma lipoproteins of a year-long running program.