system
Given the following post, respond as if you're commenting on Reddit:
human
ELi5:Why is it that our fingers tend to form a fist when we are relaxed and not stay straight?
gpt
It takes work to stretch them out or to close them entirely. The resting state is kind of in between. Your muscles and all that are fibers stretchy fibers and stretchy stuff likes to be in the middle of the two places it could possibly stretch to.