I checked my blood sugar at 4 pm it was 103. I then exercised very strenously for ten mintues and then ten minutes later checked my blood sugar again and it was 164! WTH?? I read that exercising does affect your sugar, but I dont know if it makes it go down or up. i hadnt eated anything inbetween sugars. i just checked it again, hours later, still havent eaten anything and its 110. hmmm. crazy.
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Exercise can affect your blood sugar both ways. It can release epinephrine, which can raise blood sugar. But exercise can ALSO use up glucose and lower your blood sugar. Basically, you just need to monitor your blood sugar carefully when exercising, before during and after.
the goal in blood sugar control is to, over the LONG-TERM, lower your AVERAGE blood sugar level. Exercise will do this. No doubt about it. Muscles burn more glucose than fat. In everybody, without exception. Exercise will work.....
The other thing to consider is that some popular glucometers have a reading accuracy of plus or minus 20%. The reality may be that your actual blood sugar level was changed very little at the time of all three of these readings.
A reading of 103 which is 20% low is an actual of 128. The reading of 164, if 20% high, was an actual of 136.
Also, contamination on your fingers can make HUGE differences in these readings. The blood sample being measured is very small and it doesn't take very much foreign material to alter the reading significantly.
I checked my blood sugar at 4 pm it was 103. I then exercised very strenously for ten mintues and then ten minutes later checked my blood sugar again and it was 164! WTH?? I read that exercising does affect your sugar, but I dont know if it makes it go down or up. i hadnt eated anything inbetween sugars. i just checked it again, hours later, still havent eaten anything and its 110. hmmm. crazy.
Did you eat anything within the hour before the excercise ? If so, that could have been part of the rise. that is quite a rise, but tfkeel's point about meter accuracy is very important.
It took me a long time to figure out when excercise would drop my levels vs raise them and everyone is different. For me, in the morning, they usually rise after strenuous excercise.
The minute your heart starts to beat very rapidly a signal is sent to the liver that sugar will be needed for this effort and the liver releases it. Try not to go as intense quickly, slowly build up.
For me the best is to eat a little and excercise about an hour later. Lately I drink some V8 an hour before a run. I get some 'quality' carbs, it causes my levels to go up just a bit and the excercise brings it down. This also seems to improve my PP numbers. I take my low sodium V8 shot before I leave work, get home, run, then eat dinner. This provides my best PP numbers and I get more carbs in.
