TIL that each of your fingers don’t contain any muscle. All the muscles that control finger motion are located in the hand and forearm.

https://en.wikipedia.org/wiki/Muscles_of_the_hand
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1fz05zk/til_that_each_of_your_fingers_dont_contain_any/