Question about heart rate
Sorry for asking so many questions over here... I'm still pretty new to the wonderful world of exercise. :P
I was wondering a couple of things:
1.) Where one's heart rate should be during cardio workouts
2.) are the heart rate things on treadmills and ellipticals accurate AT ALL?
Because if so, I'm some kind of freak. My resting heart rate is at the high end of normal at around 80 bpm, but there's nothing wrong with my heart and I have low-normal blood pressure, so my doctor has never worried about it. I've noticed, though, that when I start doing cardio exercise, it spikes up FAST and stays there. I can feel my heart beating really fast, but according to the machine, it will go up to around 180 within a minute or so of starting and sometimes it goes over 200 during the workout. If my heart were beating 209 times a minute, would I still even be alive? I'm a bit skeptical. I'm 21 years old and pretty healthy, so I don't think I'm in imminent danger or anything... just wondering if I can trust the machines and/or my body.
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