Obviously this won’t work for all sports, but things like football, track, soccer, it would allow for de-gendered team, even allowing athletes with the skills but not the genetically-endowed physical attributes to have a place to play.
Note: I know very little about sports and being on a sports team, so please point out anything that doesn’t make sense.
“Explosive upper body strength” specifically. Men have wider shoulders and more chest/back/shoulder muscles.
Women have to work twice as hard for half the results.