I was in a car wreck a month ago I hit my right below my knee really hard on the dash of the car. So hard in fact I broke the dash. My leg has been swollen and bruised ever since, it feels really hard, but tender to the touch. I can walk fine, but I have noticed that I may be breathing shallower now, not sure if they are related. I have not went to see a doctor yet because I didn't think they would be able to do anything for me, but I am tired of my leg hurting.