The concept of post-traumatic stress disorder originally came to light as mental health professionals treated combat veterans returning from war. Indeed, the horror of battle is one thing that can trigger PTSD. However, as time has gone on, psychologists and other experts have come to understand that any number of people, veterans and non-veterans alike, can experience PTSD for any number of reasons. There are, after all, a lot of ways in which people can experience traumatic events.
One of the most vulnerable parts of one's body is the back, particularly the spine. Among other things, the bones of the spine protect the all-important spinal cord nerves, which serve to transmit signals to the rest of the body. In other words, when a Philadelphia resident's spinal cord is not working properly, the person will likely lose some or all control and sensation in the affected parts of their body.