I think your over thinking, but what do I know? Everyone's composition is completely different. How can anyone state they know the rate at which, "anyone" else's body is going to absorb and release a chemical. I can't imagine there being any accuracy to it. Besides...DO you plan on pinning the same spot over and over and over and over...? How about when that muscle builds scar tissue? Whats the rate of absorbtion and release then?
Im strictly applying common sense and maybe that's not reliable enough to have this conversation, but just my opinion. I just don't think that from one muscle to the next it's SO DIFFERENT that you need to plan around it....
Good luck though.