Whites have larger forearms and calves. This is why our grip strength is higher. It's also why we don't run as fast as negroes. They have skinny calves. It takes less energy to move their legs when running.
Read "Race, Evolution, and Behavior: A Life History Perspective" by J. Philippe Rushton if you want to learn more. There are big differences between the races.
Interesting book, found it here - https://annas-archive.org/md5/8b2defcfe62a41aed56b2ae733e2d1ad
It's an 1994 version so hopefully it's nose-free.
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