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MHR question

Old 08-10-05, 05:49 PM
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HWS
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MHR question

A little background: I am 41, 5'10" and 176 lbs. I have been cycling steadily for 3 years and currently ride a minimum of 150 miles per week. I hate jogging or running, but was talked into a short lunchtime run by a co-worker.
So....
I went for a 2 mile run today (which I admittedly hated for the first mile, but warmed up to the concept during the second), and was wearing my HRM. The highest I was able to go on the bike was 181, but imagine my surprise when after the run my HRM reported 198 Max! About 1/4 mile into it, I checked my HRM to make sure it was working and saw 89, checked again a minute or so later and it was steady between 160-165. I never got uncomfortable and actually felt like I could go another mile or two. We completed this run in 15:37.

The question is...does 198 sound reasonable for a guy with the history above? Did I risk blowing a gasket at that heart rate? Is that kind of a jump in heart rate (89-160 in a minute) normal when running?
Are there a lot of people who hated running then kinda grew into liking it?

Thanks
Bob
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Old 08-10-05, 07:58 PM
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You need to see if you can hit that mhr again, could be hrm malfunction.
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Old 08-10-05, 08:21 PM
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I'm 54 and about 180 lbs I can tell you I had the same experience when I tried running with the heart monitor for the first time. My max is about 180 bpm and I hit that while running with what I considered a good but not max effort. At 180 bpm on a bike I am about done.

It turns out that because you are supporting your own weight while running your heart rate typically will be higher for a perceived effort
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Old 08-11-05, 12:59 AM
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For different sports, you'll have different max heart rates.

Running typically has a higher max HR than cycling, because it's more "load bearing".

Swimming, on the other hand, will typically have a lower max HR than cycling.
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Old 08-11-05, 07:49 AM
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Run a different route and try to get the rate up there again. At your age, chances are that the HRM picked up some interference along the way that gave you a false reading.
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Old 08-11-05, 03:23 PM
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Okay... same distance todat, different route, same topography, 193 MHR. The only difference was that we didn't sprint at the end...... What does this mean?? Am I gonna blow a gasket??
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Old 08-11-05, 04:08 PM
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It probably doesn't mean anything. I'm 51 and mine is 184.

I guess you and I should use the "235 minus your age" formula.
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Old 08-12-05, 05:04 AM
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There is only one "Max Heart Rate," and that is the maximum number of beats per minute that your heart will do. Yours is probably somewhere above 200. I have done several different Max HR tests, and have consistently found mine to be right at 200. I do sometimes hit 195 or higher while running, but that is when I am racing at my 5k pace, or speed training at just about maximum effort.

I suggest you do a MHR test (there are several self tests you can do, or you can have it done at a clinic), then you will know a little more about what those other numbers mean.
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Old 08-15-05, 11:56 AM
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I have been noticing a trend in my MHR recordings that is odd as well. Last week I hit 205BPM and today I hit 199. I am age 30, 6 foot, 230lbs and have been riding for about two years. I am wondering if this can be correct. I used to be very athletic (before I left the army, went to college, and moved in with my girlfriend) and wonder what my MHR , RHR, and LT were during that time.

Anyway, it is good to hear that I am not the only one with an apparent MHR above the calculated one.
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