The purpose of this study was to compare the myocardial structure and
function among endurance athletes (n.12), powerlifters/steroid users (n=5),
powerlifters/non-steroid users (n=6), and sedentary controls (n=4).
All subjects had a M-mode echocardiographic examination of their left
ventricles under resting conditions. The echocardiographic measurements
recorded and analyzed were of the...