Resting heart rate is the number of times the heart beats per minute while at rest, typically measured in a relaxed state and after waking up in the morning. It serves as an important indicator of cardiovascular fitness and overall heart health, as lower resting heart rates often suggest better cardiovascular efficiency. Understanding resting heart rate is essential for analyzing cardiac output, stroke volume, and heart rate responses during physical activity, as well as for recognizing the adaptations that occur with regular exercise.
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