Why is speeding up your heart rate important at exercise time?
What is the heart rate for? Or, why would it serve anything? To understand this, we need to understand cardiac output. Cardiac output is the amount of blood pushed to the body every minute. The calculation is done by multiplying the heart rate by the volume of blood pushed at each beat.
If we are to consider that the amount of blood at each beat increases with vasodilation of the body, such as occurs in the heat of exercise, the increased heart rate we can increase even more blood circulation. With this, we take oxygen to the body and "wash" the lactic acid (which causes muscle pain) and impurities of the tissues of the body even more than when we are stopped.
During the exercise the elevation of the heart rate happens gradually, progressive, to a ceiling, which is different for each person. You can calculate that the ceiling is more or less estimated by the formula 220 by subtracting the age. For example, if I'm 20, the "roof"? of my heart rate is 200 beats per minute, or bpm.
Reduced heart rate at the end of exercise is sudden. Some people, even, may feel dizzy at the end of the exercise, precisely because this reduction is abrupt. This is related to the autonomic nervous system, which serves both to accelerate (sympathetic nervous system) and to cut off the effect of the previous (parasympathetic nervous system).
Very fast acceleration or deceleration that does not happen even after the exercise is over a problem. One reason for the steeper acceleration is lack of fitness. For these and other reasons, before beginning any type of physical activity, it is important to seek the evaluation of a professional in the area, who will verify how you are doing. your cardiorespiratory function and will indicate the exercises you are able to do at the moment.
We already know that the list of benefits provided by physical exercise is extensive. However, a new study by the University of Guthenburg, Sweden, found that women with good physical fitness are 88% less likely to be diagnosed with dementia in the future. A total of 191 women aged 50 or older were examined.
You want to gain muscle, but not Do you like bodybuilding? Calm, this is not the only way to achieve the much-desired hypertrophy. To understand better which exercises promote the increase of lean mass, it is important to understand that the muscle basically consists of 2 types of fibers: type I and II.
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