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1 Insulin sensitivity is increased, so your cells are better able to use any available insulin to take up glucose during and after activity. 2  When your muscles contract during activity, it stimulates another mechanism that is completely separate of insulin.
Bonus Training Tip. The focus of this article is nutritional strategies to improve insulin sensitivity, but there's also a training tip that's worth sharing. I don't know that it's been proven through research, but I believe that high volume, glycogen-depleting training can, over time, improve insulin sensitivity. Let me explain.