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Diabetes Management
Fitness, Exercise and Sport
Aerobic base training
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<blockquote data-quote="ElyDave" data-source="post: 650679" data-attributes="member: 74042"><p>That's exactly what is happening, if I do weights my BG shoots up (relatively for me), if I do yoga it stays fairly static, running and cycling are very pace/HR dependant.</p><p> </p><p>Take this morning a 10km run, reduced morning bolus as I was running within 90 mins. Set out at BG of 5.7 with a 10g carb snack first. Running with an intended target HR of 148. 5km in, BG 4.5, 10g carbs, 10km BG 4.9, 10g carbs. Dropped slightly to lunch at 4.1.</p><p> </p><p>What you are doing, running at those high HRs is increasing cortisol and adrenaline circulation which will make your liver dump in the fight or flight response, so as you say that gives you those post run spikes. You've then over correctd immediately and suffered the crash afterwards.</p><p> </p><p>My technique after weights (admittedly I generally only go up to 8-9) is to do nothing as I know that the liver will re-absorb those sugars fairly quickly or it will be shunted into muscle replenishment. I then tend to need to reduce the next bolus dose by about 25% as I tend to have an increased sensitivity post exercise as well as during.</p></blockquote><p></p>
[QUOTE="ElyDave, post: 650679, member: 74042"] That's exactly what is happening, if I do weights my BG shoots up (relatively for me), if I do yoga it stays fairly static, running and cycling are very pace/HR dependant. Take this morning a 10km run, reduced morning bolus as I was running within 90 mins. Set out at BG of 5.7 with a 10g carb snack first. Running with an intended target HR of 148. 5km in, BG 4.5, 10g carbs, 10km BG 4.9, 10g carbs. Dropped slightly to lunch at 4.1. What you are doing, running at those high HRs is increasing cortisol and adrenaline circulation which will make your liver dump in the fight or flight response, so as you say that gives you those post run spikes. You've then over correctd immediately and suffered the crash afterwards. My technique after weights (admittedly I generally only go up to 8-9) is to do nothing as I know that the liver will re-absorb those sugars fairly quickly or it will be shunted into muscle replenishment. I then tend to need to reduce the next bolus dose by about 25% as I tend to have an increased sensitivity post exercise as well as during. [/QUOTE]
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