If it is a foreign athlete, the body hair is removed, and some people inherit very little body hair.

The proportion of foreign white men with more body hair is relatively large.

Black and China athletes generally don't need to get rid of body hair, because they have very little body hair.

White people's hair follicles are sensitive to androgens, so they have more body hair.

Removing body hair will make muscles look better, more obvious, fuller and more visually impactful.