There is a fairly interesting TED talk[1] on this subject by David Epstein that covers changing technology and better selection of body types optimized for indi

There is a fairly interesting TED talk[1] on this subject by David Epstein that covers changing technology and better selection of body types optimized for individual body types, in the context of how records keep being beaten. There is a transcript available for skimming. 1: https://www.ted.com/talks/david_epstein_are_athletes_really_getting_faster_better_stronger/transcript?language=en https://www.ted.com/talks/david_epstein_are_athletes_really_...