Athletes with different levels of physical work capacity were examined to determine the main echocardiographic indices, measure the arterial blood pressures, and record the electrocardiograms. The athletes with a higher level of physical work capacity and a more pronounced structural and functional cardiac changes performed both dynamic and static exercise more efficiently. Compared to dynamic exercise, the static exercise caused greater exertion in athletes, i.e., higher values of systolic and diastolic pressure and oxygen consumption.