[pumper]

Originally Posted by Scratch

So I grabbed my flexpen and lined up for a spot where there isn't much fat over my left tricep, although I imagine one could also go after the deltoid even easier where there's less fat generally on people. But I drove the needle straight in to where I felt it enter the tricep muscle and then gave my lunch bolus.

So far so good. I then did a set of tabata intervals with the left arm, fanning it in a windmill action hard for 20 seconds, resting for 10 seconds, and so on until 4 minutes of that was done. 1.5 hours later my blood sugar was down to 110 mg/dl and based upon subsequent testing, I think I got all the Novolog from that injection used up in around 2.5 hours.

So that might be a way for person who wants to achieve a more rapid uptake of insulin to do it. As always, the usual cautions are provided, that we all have individual variance so your results might vary, always do such experiments on the self with necessary supplies in waiting in case of unanticipated consequences, etc.

Yes, injecting insulin into (or near) a muscle that you are going to vigorously use will always speed up its absorption (ie injecting into the legs and going for a run will make that insulin start working faster).