Nevertheless, the Fosbury flop had been born and it would utterly transform a single sport in a way not seen in any other.

Source: https://www.heraldscotland.com/sport/23387898.dick-fosbury-real-life-comic-book-hero-transformed-sport/?ref=rss

There were still doubts about his technique and concerns were raised over safety, with good reason – foam mats were not yet widely in place for the high jump and Fosbury damaged his spine, significantly enough to avoid conscription to war in Vietnam.

Source: https://www.independent.co.uk/sport/olympics/dick-fosbury-flop-high-jump-technique-b2300425.html