i think that we really evolved to have feet that are very well on their own well equipped to be able to walk and run without any kind of support when you think about the structure of our feet we've got 26 bones we have 33 articulations those articulations that have six degrees of freedom of motion the foot is a very complex structure just like the hand it's very much like the hand the anatomy it also has four layers of arch muscles four layers of ten muscles just in the arch