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TeamBG: Type 1 diabetes and exercise - what questions/issues do you have?
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<blockquote data-quote="Bebo321" data-source="post: 590438" data-attributes="member: 68730"><p>Sounds like you're doing really well Adamski,</p><p>60g per hour is very sensible. You will find that you have to start adjusting bolusing the fitter you get and perhaps even start reducing your basal. Funnily enough I was just reading a comment on the sporty type 1s facebook group where somebody gave the advice to exercise as far away from your insulin dosing as possible - just to avoid the rapid falls in BG - it's good advice.</p><p></p><p>It's not a great idea to have higher bloods at the beginning of your exercise (though in competition environments this is sometimes hard to avoid). With a high BG you won't physically perform as well as you are able. It's not the end of the world, but I wouldn't suggest that you try to do this as a rule.</p><p></p><p>Just for interest (it may help you get your head around things), when somebody with a working pancreas begins to exercise, the pancreas immediately shuts off it's insulin supply within the body. Human insulin has a very short lifespan - only a matter of minutes, whereas injected or infused insulin hangs around for hours.</p><p>Consequently, if you have eaten and injected relatively recently the circulating insulin will act very quickly to get glucose into your working muscles, and you'll get a very rapid BG drop. Exercising muscles don't actually need the insulin to take up glucose, as they have 'transporters' that are capable of doing that job. Someone with a healthy pancreas will have a blood glucose reading of 4 or even below when they do endurance exercise.</p><p></p><p>You're doing a great job. Keep doing what you're doing, and start refining your dosing. Make notes of everything you do so that you can work out what went right and what went wrong. Remember to keep well hydrated too - one bottle of lucozade over 1.42hrs doesn't sound like much, so you may want to research more about best practice on hydration.</p><p></p><p>Have you started to think about having a pump or CGM?</p></blockquote><p></p>
[QUOTE="Bebo321, post: 590438, member: 68730"] Sounds like you're doing really well Adamski, 60g per hour is very sensible. You will find that you have to start adjusting bolusing the fitter you get and perhaps even start reducing your basal. Funnily enough I was just reading a comment on the sporty type 1s facebook group where somebody gave the advice to exercise as far away from your insulin dosing as possible - just to avoid the rapid falls in BG - it's good advice. It's not a great idea to have higher bloods at the beginning of your exercise (though in competition environments this is sometimes hard to avoid). With a high BG you won't physically perform as well as you are able. It's not the end of the world, but I wouldn't suggest that you try to do this as a rule. Just for interest (it may help you get your head around things), when somebody with a working pancreas begins to exercise, the pancreas immediately shuts off it's insulin supply within the body. Human insulin has a very short lifespan - only a matter of minutes, whereas injected or infused insulin hangs around for hours. Consequently, if you have eaten and injected relatively recently the circulating insulin will act very quickly to get glucose into your working muscles, and you'll get a very rapid BG drop. Exercising muscles don't actually need the insulin to take up glucose, as they have 'transporters' that are capable of doing that job. Someone with a healthy pancreas will have a blood glucose reading of 4 or even below when they do endurance exercise. You're doing a great job. Keep doing what you're doing, and start refining your dosing. Make notes of everything you do so that you can work out what went right and what went wrong. Remember to keep well hydrated too - one bottle of lucozade over 1.42hrs doesn't sound like much, so you may want to research more about best practice on hydration. Have you started to think about having a pump or CGM? [/QUOTE]
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