Cardiac hypertrophyA ramp swimming exercise murine model was used to investigate the response of cardiac telocytes to exercise-induced cardiac growth. After 4 weeks of swimming training, robust cardiac hypertrophy was induced as indicated by increased ratios of heart weight to body weight and heart weight to tibia length. Moreover, the expression levels of pathological cardiac hypertrophy markers including ANP and BNP were not elevated, confirming that a healthy cardiac hypertrophy model was established after swimming training.