athlete's heart

Or athletic heart

noun

1. nonpathological enlargement of the heart resulting from intensive aerobic exercise.

Example Sentences

This is not the first time that right-wing conspiracy theorists have exploited a high-profile athlete's heart incident to spread vaccine misinformation.

Read more on Salon

“What they knowingly did to her, if true, cannot be surpassed in inhumanity and makes my athlete’s heart cry infinitely.”

Read more on New York Times

That leaves many concerned about what we still don't know about covid and the athlete's heart, as well as the handful of cases that might elude detection.

Read more on Salon

“To me resilience is the ultimate measure of an athlete’s heart,” said Mary Carillo, the NBC analyst and former French Open doubles champion who has followed Williams’s career from the start.

Read more on New York Times

To see if this exuberant vigor extended to their cardiac systems, the scientists scanned each athlete’s heart, using magnetic resonance imaging, which can pick up subtle signs of inflammation, scarring and other heart problems, says Dr. Saurabh Rajpal, an assistant professor of cardiology at The Ohio State University Wexner Medical Center and the lead author of the new study.

Read more on New York Times