Cardiac function comparison (IMAGE) Experimental Biology Caption Comparison of fractional shortening as a measure of cardiac function between sedentary (SED) and treadmill (TM) exercised with (+T) or without (+NT) tumors. Credit Louisa Tichy, University of North Carolina at Greensboro Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.