how are blood vessels under the feet not compressed to the point of blockage when standing?

Question

how are blood vessels under the feet not compressed to the point of blockage when standing?

In: 925

Answer 1

Actually they are. But you naturally shift every few seconds. If you don’t, lactic builds up and it starts to hurt, very subtly at first, so you shift without noticing.

This is why paralyzed people get bedsores. They can’t shift. It happens even lying down.