For example, a male striking a male with a right fist to the left jaw, needs to raise his heel.
I have to ask where you got that information from? Raising the heel will destroy the stability of the stance and seriously limit the amount of power that could be applied unless you're talking about a cat stance and raising the front heel. But then again if your attacker grabbed your arm and pulled then having your front heel in the air will limit your ability to resist the pull. You're right in saying that in true combat there is no time to think about what the polarity of every move is, even assuming you had the information and it worked. I;m sure there are many more important things to focus your attention and training on.
If you believe this to be important could you let us know why you think so and point to some information somewhere so that we can also check it out. thanks