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strohls freely 100+
Joined: 11 Mar 2005 Posts: 117 Location: Austin
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Posted: Mon Mar 21, 2005 3:56 pm GMT +0000 Post subject: insulin spike? |
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Hi Doc,
Here is the setting:
I am riding endurance miles on a flat 10 mile loop. My heart has been pegged at 145bpm for about a hour and a half (this is approx. 90% of my L.T.). I reach down and take a swig of my homebrew (24oz. water and 2tbs of molassas). What seems to be a few seconds later, my heart feels different, just different, I look at my rate and it is 154, 158, 165, and then up to 179 in just five or less seconds. During this spike, I am mashing on the brakes so as not to become a smear on the asphalt just in case my ticket is about to expire. But then it is over. Back to normal. I ride for another hour with no problems.
My heart never hurt or anything, I just felt it race.
Was this an insulin spike? What was it? . . . ? |
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xl_cheese 100+
Joined: 01 May 2003 Posts: 223
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Posted: Mon Mar 21, 2005 4:33 pm GMT +0000 Post subject: |
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could be your HRM. Mine shoots up over 200 sometimes in the wind. |
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Anonymous Guest
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Posted: Mon Mar 21, 2005 4:58 pm GMT +0000 Post subject: |
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That is not an insulin spike. 5 seconds is not long enough to get anything from your gut to your bloodstream and for your body to react (by releasing insulin). Also, an insulin spike and a HR spike are not generally related.
If it is windy it could just be your HR monitor giving the bogus readings.
Paul |
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Anonymous Guest
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Posted: Mon Mar 21, 2005 8:11 pm GMT +0000 Post subject: |
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Or it could be that the extra effort it requires to reach down to grab your bottle, raise it overhead to drink, then put it back, is what temporarily spikes your heart rate. |
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The Bike Doc 250+
Joined: 08 May 2003 Posts: 1398 Location: Corpus Christi and Warda, Texas
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Posted: Wed Mar 23, 2005 8:58 am GMT +0000 Post subject: |
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strohls freely:
ciclista & PaulBurpo are guiding you correctly. It is way to fast for an insulin spike, it is more likely the increased muscle activity and mental conentration to get the water bottle out and to drink. Try using a hydration bladder such as a CamelBak.
Thanks, _________________ Paul K. Nolan, MD
AKA: The Bike Doc |
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