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> It’s worth noting that EIAE doesn’t really happen in the general population. It’s been reported in athletes from various sports – runners, speed skaters, skiers, rugby players, and more – but ever since the first cases were documented in the medical literature in 1986, cyclists have made up the bulk of those with EIAE. 

> That raises a couple of questions: why have we only been hearing about this condition in the last 40 years? Is it only since the mid-1980s that cyclists have been developing EIAE?

> While it’s impossible to say with any real certainty, it seems most likely that some riders would have experienced flow issues with their iliac arteries prior to the first documented cases. They just wouldn’t have had a definitive explanation for the symptoms we now associate with EIAE.

> And that’s because it’s only in recent decades that doctors have been able to identify EIAE, and started to look for it.