When a person begins to exercise, it comes to no surprise, that the heart rate increases. This is because the individual has gone from a resting heart rate to performing work. As the exercise intensifies, oxygen uptake is increased as well, which results in an increase in heart rate. As work is intensified, as in the case of exercise, the heart rate increases until the person becomes exhausted and cannot perform additional work. This may happen during an intense workout where the individual is pushed beyond their limit.
The heart rate is measured by the number of beats taking place within one minute. This means that the number of times in one minute that a person’s heart contracts is equal to their heart rate. When a person is at rest, and no exercise is being performed, the individual is said to have a resting heart rate. This rate indicates the level of fitness and how much intensity is required to improve health over the long haul.
The maximum heart rate is often determined during exercise and this is the number in which the heart contracts during one minute when a tremendous amount of work is being done. The maximum heart rate is the highest number of times the heart contracts during an intense workout. Training intensities can be determined when the maximum heart rate is targeted. The more you work, the more oxygen is required, which results in the heart rate increasing during the exercise.
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