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Status:Closed    Asked:Jan 22, 2013 - 01:23 PM

Why does my heart rate go past my maximum heart rate , but does not cause me to feel sick and or bad?

Just wondering if this is dangerous, or something I should be concerned about. It has always been like this.

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This is a great question because it requires us to focus on the accuracy of the term “maximum heart rate.” In most cases, maximum heart rate is a theoretical number arrived at by a calculation that has no real correlation to the actual number of times a person’s heart can beat during exercise. Prediction equations used to estimate maximum heart rate, such as 220–age, are flawed because the potential for error is fairly high. The result is predicted maximum heart rates that are either too high or too low based on the exerciser’s actual experience. Therefore, the fact that you are able to exercise at a higher heart rate than your estimated maximum without overexerting yourself is not surprising.

An alternative to gauging intensity via heart rate monitoring is to simply focus on how you feel during exercise. Tools such as rating of perceived exertion scales (also called RPE scales) can be used to quickly determine exercise intensity without the hindrance of stopping to check heart rate (
). An even simpler method is to gauge your exertion using the “talk test,” in which you exercise at a level that allows you to speak in short sentences. That is, if you are exercising at an intensity at which you cannot talk, that is too high; and if you are working at a level that allows you to carry on a lengthy conversation or sing a song, that is probably too low.



Jan 22, 2013 - 02:45 PM

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Is it dangerous to lay down with an elevated heart rate?
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