If the truth is that using these shoes reduces oxygen consumption then that is evidence enough that they are an aid.
If the truth is that using these shoes reduces oxygen consumption then that is evidence enough that they are an aid.
I think the shoes actually were tuned or best suited to the already springy action of Kipchoge. The other guys are kind of waddlers with no natural bounce so the enhancement potential seemed lost to them.
Shshhdnnd wrote:
Without an external source of energy
Gravity