I have heard about this happening to people a couple times before. Many years of being injured and out of no where there's some huge recovery. Whether it can happen or not to us we don't know but we can only have hope! If it doesn't happen naturally we'll have a treatment available to us soon enough.
I do not know any spinal injured in real life and I can talk only about my experience. I am 3.7 years post injury and I still see a better me in either movement or sensation compared to what I was 2 months back. So, there is a constant change in me when I compare my ability a quarter ago. I dont see any reason why development would stop at some point or after some period.
Doing exercise passive/active is training our brain and it definitely tries to reciprocate there by building what is internally needed if it can. So just keep trying. Also remember, hope and optimism makes wonders.
I’m an incomplete. I wander if exercise turns your nerves on. Has anyone heard such a thing?
I suspect it is more accurate to say exercise can stimulate the nerves, including nerve growth, and help awaken a person's awareness that certain nerves or muscles function just a little, which is more than enough to inspire a person to further exercise and development of their abilities. Research shows clearly that people involved in programs of intensive exercise regain significantly more function that those who do not. This includes with chronic injuries, meaning those more than 2 years old.