Bauer / Step / CCM etc steel profiles?

[Vet88 674]

Ok, I know this is an odd one but I was wondering the other day why manufacturers have designed their steel in the way they do. Why did Bauer put lots more material in the front and back when they designed the LS3 and LS4? Why is Step also so full in the front and back? Why does Tyden slim theirs down? Research, studies, scientific design, skater stride analysis etc etc? Anyone have any idea or can point to any research in this area, even if it is just research done by a specific manufacturer to justify their design?