1) The radiological heart volume measurement of Korean athletes was carried out in total of 50 cases, 38 inmale and 12 in female. 2) Predicted radiological heart volume in male is 705.01+15.76 ml and 627.41 + 31.73ml infemale and reveals slightly larger volumes in both sexes comparing with the normal Korean adults. 3) Relativeradiological heart volume in male in 397.00+9.05ml/m2 and 353.42+13.24ml/m2 in female and no significantdifference from normal adults.