TIL there are muscles that only some have
The psoas minor muscle is considered inconstant and is often absent, only being present in about 40% of human specimens studied.
TIL there are muscles that only some have
The psoas minor muscle is considered inconstant and is often absent, only being present in about 40% of human specimens studied.
If you have a fediverse account, you can quote this note from your own instance. Search https://catgirl.farm/objects/d7559143-5c7f-4336-a69a-af3dab93e44a on your instance and quote it. (Note that quoting is not supported in Mastodon.)