Fitness 101: Resting Heart Rate
When it comes to matters of the heart, numbers matter. The number of times your heart beats per minute, when you are at rest, indicates the strength and efficiency of your cardiovascular system. A strong heart is able to pump more blood with every beat, so you want a low resting heart rate (RHR). A lower RHR tends to correspond with a higher aerobic fitness level. Take Olympian Michael Phelps as Read more







