Take heart, it should get better. I had an injury last March and all of a sudden I started stumbling and falling and experiencing excruciating pain if I walked even a short distance.
I began doing exercises on my own, but months went by with no results. I became very depressed and started PT for about 6 weeks. I still was in pain and could not lift my foot. After continuing to exercise my foot, I suddenly realized that I was not stumbling and stubbing my toe. My gait was normal. So after 9 months, I still have numbness and pain if I walk more than a few blocks, but I'm getting better and my foot is stronger. I have full flexibility of my foot though. I believe, eventually the numbness will go away. So hang in there and continue to exercise.