A member asked:

Whenever i run a long distance, my heart beats fast and i try to support .. is there a problem? is this helpfull for my endurance ?

3 doctors weighed in across 2 answers

It is OK.: It's normal. However, if the rapid heart rate persisted and your blood pressure drops if you feel dizzy or fainting, goto your doctor right away.

Answered 3/10/2013

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Heart rate monitor: Get a heart rate monitor that will help you to keep your heart rate in check. Don't exceed 80% of your maximum h.R . To estimate your mhr use this equation. 220 -age= maximum heart rate.

Answered 3/10/2013

5.3k views

Thank

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