While the heart of an adult who does not exercise beats, on average, 70 times a minute, that of an adult athlete can beat 30 times a minute, which is less than half.
One of the most common changes is an increase in the thickness of the heart wall, known as hypertrophy of the heart. This adaptation corresponds to the correspondence of the left heart, which is already thicker as it is responsible for pumping blood throughout the body.
With this information, we can conclude that due to the low activity of this structure, an athlete's heart beats more slowly. While the heart of an adult who does not exercise beats, on average, 70 times a minute, that of an adult athlete can beat 30 times a minute, which is less than half.
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