Ottavia V. Z

1. Introduction There are cardiological changes that can occur with the practice of regular physical exercise, and these are not necessarily harmful. In fact, many of these changes are considered physiological for athletes and/or those who practice regular physical exercise. The most common cardiac adaptations are due to increased vagal tone and increased cardiac chambers, primarily through increased muscle mass, influenced by age, gender, ethnicity and sport modality practiced [1,2].