This training places a substantial demand on the heart that acts as a physiological and metabolic stimulus for adaptation in cardiac muscle. The clinical relevance of cardiac changes with endurance ...

Another study explored how maturation affects cardiac and hematological adaptations in young athletes ... Left ventricular (LV) mass: The weight of the muscle of the left ventricle, which can ...

Between meals, cardiac muscle cells meet 90% of their ATP demands by oxidizing fatty acids. Although these proportions may fall to about 60% depending on the nutritional status and the intensity ...