So the most glaring question at this point would be, how does the heel to pedal method of extension measurement apply if you dont pedal with your heels, but say, the middle or front of your foot?
I love my strap in pedals, but I find that pedaling with my foot over the middle of the pedal or closer toward the heel will place less stress on my quads and allow me to lower my seat down to where it should be.
Also, keeping your feet further on the pedals will sort of change the "reach" as in, how far forward you place your feet onto the pedals, and therefore your balance on the bike, correct?