Did mine bouncing of an RLJing car when I was 16.
I couldn't use the arm on that side for weeks, it was very painful, but it was pretty much healed after 6 weeks. It has healed a little bit bent and for a long time I couldn't lean on it for prolonged periods without aching. I only had a sling too, much to my disgust at the time (I could feel the ends of the break rubbing against each other, ugh).