How To Set Up Cycling Cleats 

If I used the boney points of my feet to make that position my cleats would be mounted different on each shoe. I had metatarsal surgery and a titanium plate installed. On my good foot I have to place the cleat farther back to match and balance my weight on the pedals. As a note, taking the advise of many bike fitters, they are telling people to locate the cleats farther back to eliminate hot spots and numbness. Your method may be good for you but not for everyone, so I would just suggest people play around making adjustments often until they find that spot that feels the best. But your method offers a good starting point.

La cala siempre y digo siempre entre el 1º y 5º metatarsos aparte hay que saber si necesitamos dar algún grado de flotación al tobillo