Welcome @"Living"!
In this forum there are people who do elite sport, so they can respond much better than me.
I tell you my experience in case it serves you:
I used to play football before and now I do other less demanding sports, but what you say has always happened to me.He understood that the sport lowered glucose, but it is not exactly like that.
In principle the soft and prolonged efforts (walking at a good pace for time or more for example) are those that make your glucose descend, since they "give time" to the insulin that is active in the body to make its function andTake the glucose of your blood to your muscle cells ..
On the other hand, in large and short efforts (anaerobic, I think) like football or physical training, your body pours to your blood the glucose reserves you have in the muscles and liver, with the hope that your pancreas work (whichIt is not the case) and insulin secret to provide energy during the effort.As the action of insulin is slower than the speed at which your body secretes glucose, the result is that during exercise you have hyperglycemia.
Solution: Talk to your endocrine and adjust the doses (surely you will recommend injecting fast insulin in addition to the slow one, but that your doctor has to tell you.
Tip: What works for me is to prick 3 fast insulin units 10 minutes before the effort, but each organism is different and not all of us works for us.
If the effort lasts more than two hours, it is necessary to have glucose gels, etc.At least in my case.
´O that happens to me is that at 7 or 8 hours of having trained and without having injected any insulin, the low glucose at a fast pace, since only with the lantus my body begins to want to recover the glucose reserves that meHe has given before, so nuts usually go well to avoid declines.
I don't know if it has served you or I have brought you more hahahaha!
Well, I think the subject has been talked about here more than once, and surely there are foreros who know and explain much better than me.