I would of thought biology would like us to be symmetrical for maximum comfort. But after sitting down for some time humans tend to put one leg over the other? Is there a biological reason for this?
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It’s been a while, but as I recall: humans aren’t actually designed to sit. The human body is really good at walking. Like really really good. Hunters used to literally walk their prey to death. We can walk multiple times farther and longer than other animals.
Before there were real settlements, people weren’t carrying chairs around. So they would camp wherever they ended up. Humans are really good at lying down as well. There was not much time spent sitting.
Now a lot of people sit 8+ hours for work, plus eating and watching tv/gaming and whatever else. We just weren’t built for that. It causes tension in our lower backs. Sitting with one leg crossed shifts that tension and temporarily feels better. That is why people will have to shift legs every now and then because we aren’t really designed to sit with one leg crossed either.
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