Which term describes the state of the heart muscle thickening due to training, potentially with a larger ventricular cavity?

Which term describes the state of the heart muscle thickening due to training, potentially with a larger ventricular cavity?

• A. Atherosclerosis
• B. Cardiac Hypertrophy
• C. Atheroma
• D. Bradycardia

Answer: (B)

Cardiac hypertrophy describes the thickening of the heart muscle in response to repeated training. With endurance (aerobic) training, the heart adapts not only by adding muscle mass but often by enlarging the ventricular cavity as well—this is an eccentric form of hypertrophy that increases stroke volume to meet higher demands during exercise. This physiological thickening is a normal, beneficial adaptation. The other terms don’t fit: atherosclerosis and atheroma involve plaque buildup in arteries, not the heart muscle itself, while bradycardia means a slow heart rate rather than structural changes in the heart muscle.

Cardiac hypertrophy describes the thickening of the heart muscle in response to repeated training. With endurance (aerobic) training, the heart adapts not only by adding muscle mass but often by enlarging the ventricular cavity as well—this is an eccentric form of hypertrophy that increases stroke volume to meet higher demands during exercise. This physiological thickening is a normal, beneficial adaptation.

The other terms don’t fit: atherosclerosis and atheroma involve plaque buildup in arteries, not the heart muscle itself, while bradycardia means a slow heart rate rather than structural changes in the heart muscle.