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<blockquote data-quote="NickW" data-source="post: 101195" data-attributes="member: 22191"><p>fergus sums it up nicely. However, intensity is as (or more) important than duration, as it's intensity which releases the stress hormones and triggers hepatic glucose release. For example a 20 minute walk probably won't raise BG much if at all (and may slightly lower it); a 20 minute interval session will! And likewise, a 90-minute powerlifting session (3-5 reps per set with heavy weights, 5-7 minutes rest between sets) is likely to raise BG; a less intense workout (lighter weights, more reps) might not have as much effect.</p><p></p><p>Experiment and test to find out how it affects you personally, and use that knowledge to your advantage (e.g. I inject insulin prior to a weights session and can keep a stable level throughout, whereas I know I need to reduce dosages or eat carbs when I go for a reasonable-length run).</p><p></p><p>You need to be careful with anything that regularly spikes your blood (as those regular spikes may cause damage), but the benefits of exercise are huge as fergus says - particularly for the type 2 where enhancing insulin sensitivity is vital. A mixture of heavy weight lifting and more steady-state exercise would be spot on in my opinion.</p></blockquote><p></p>
[QUOTE="NickW, post: 101195, member: 22191"] fergus sums it up nicely. However, intensity is as (or more) important than duration, as it's intensity which releases the stress hormones and triggers hepatic glucose release. For example a 20 minute walk probably won't raise BG much if at all (and may slightly lower it); a 20 minute interval session will! And likewise, a 90-minute powerlifting session (3-5 reps per set with heavy weights, 5-7 minutes rest between sets) is likely to raise BG; a less intense workout (lighter weights, more reps) might not have as much effect. Experiment and test to find out how it affects you personally, and use that knowledge to your advantage (e.g. I inject insulin prior to a weights session and can keep a stable level throughout, whereas I know I need to reduce dosages or eat carbs when I go for a reasonable-length run). You need to be careful with anything that regularly spikes your blood (as those regular spikes may cause damage), but the benefits of exercise are huge as fergus says - particularly for the type 2 where enhancing insulin sensitivity is vital. A mixture of heavy weight lifting and more steady-state exercise would be spot on in my opinion. [/QUOTE]
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