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Message: <blockquote data-quote="Deleted Account" data-source="post: 1991731">When we exercise, there are two diabetes related things which happen to our bodies- our liver releases glucose- our muscles burn sugar with less insulin (I think of this as insulin becomes more efficient)Typically, the first happens before the second and, for most, stop start exercise (such as HIIT) may not have sufficient time of constant exercise for the second to happen. Furthermore, things like stress raises our BG and weights, climbing, HIIT may cause some stress. This is all dependent on how fit you are at the exercise you are doing and our starting BG (any exercise at a high BG is going to be stressful to our body). So we are all different at different exercises for different lengths of time with different starting BG and even at different times of the day. However, due to the first reaction (liver releasing glucose), our liver supplies need to be topped up. As a result, for the next 24 to 48 hours after exercise, it is common to have a lower BG. I do a number of different exercises- 30 minute spin class causes my BG to fall- 30 minutes running on the treadmill causes my BG to fall- 30 minutes running on the road causes my BG to rise- weights cause my BG to rise- climbing causes my BG to rise Over time you will work out what happens for you (although this may change if you become fitter) and come up with mechanisms to cope with this such as whether to eat beforehand or not, what time of day is best for you, and, if you take insulin, whether to adjust your insulin dose.</blockquote>

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