athlete's heart

American  

Or athletic heart

noun

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

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Example Sentences

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.

From 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.

From 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.

From New York Times

Infectious-disease and cardiovascular experts do not have enough data to make conclusions about how covid-19 might affect an athlete’s heart, and even recent studies of other populations require further validation.

From Washington Post

Sometimes exercise can exacerbate heart risks, especially at extreme levels — although scientists are still working out the details of what an athlete’s heart should look like.

From Washington Post