PubMed · 1533563
Morphologic consequences of systematic training.
Abstract
The development of echocardiography in the 1970s led to the flourishing of the study of the athlete's heart. From the earliest studies it was apparent that athletes develop enlargement of the left ventricular cavity and thickening of myocardium in response to prolonged repetitive training. The changes in echocardiographic measurements are small and often within quoted normal ranges. By comparison to sedentary controls, however, left ventricular end-diastolic dimension is increased by approximately 10%, posterior wall dimension by 15% to 20%, and calculated mass by up to 45%.
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L M Shapiro. 1992. Morphologic consequences of systematic training.. https://pubmed.ncbi.nlm.nih.gov/1533563/
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