You can then accept that level as sufficient or do another type of endurance exercise that will bring theDrink Up Witches Funny Halloween T Shirt tee rate during the exercise higher. For your info, it is not the heart rate level you can reach that is dangerous for the heart. It is blood pressure rise that can overstress the heart. When you bring up the heart rate gradually during the exercise (even to max), the cardiovascular system has time to adjust accordingly. The pressure rise is regulated by the expansion of the blood vessels unless they are blocked or have stiffened. The way I recommend you to exercise is safe because you have time to stop the activity the minute you feel something abnormal. There is no fear of a sudden pressure rise that can overstress the heart. 20 min to just get the heart and circulation “starting” to open up. The minimum is generally accepted to be 30 minutes of uninterrupted physical activity (like walking) to get a good training effect. This produces the neurotransmitter nitrous oxide that controls the thousands of sphincter muscles that open and close throughout the body to control blood flow. When you exercise, there is a reduction of blood flow to digestive organs and an increase to the heart. lungs, brain and skeletal muscle.
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