Why does hanging straight up, with your feet off the ground, cause your legs to fall asleep?

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Suppose I’m hanging off monkey bars, my legs will fall asleep after a while. This was also seen in the movie “Sherlock Holmes” where Sherlock replicates a fake hanging, his legs begin to fall asleep after hanging for a while. Why is that? I mean you are still straight up, does the blood not circulate the same as when you’re feet are planted in the ground and you’re standing up?

In: Biology

3 Answers

Anonymous 0 Comments

Blood circulation drops a bit, but most of the time it’s probably nerve compression. If you apply pressure to a nerve it stops conducting, so you go numb and lose power in your leg muscles below where the compression occurs.

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