These videos are for people wishing to improve their swimming style by emulating proven results.
First is underwater footage of the men’s 1500m final from Athens. A close-up of American Larsen Jensen (blue/white suit), then turns to Davies (longjohns) and Hackett (blue/yellow suit).
Below, the swim god, Alexandre Popov. The man who can do the 50m in 21.5s, with an arm movement that is 50% slower than that of his competition.