The body remembers everything that happens to it, every single thing, even when we are sedated or anesthetized. We might not remember anything, as is the whole point, but the body does and these memories make themselves known in different ways. When I come across submerged body-trauma, this trauma has been influencing the body for some time. It can show up in posture, pain, weakness or phantom pain.
Our bodies are often treated as inert things, like machines that should do our bidding – or not. We use and we abuse it, wondering why it is not functioning optimally. Take a look at this article on body-memory: