ANSWER PLEASE :) What is wrong with my forearm?

I hit my arm pretty hard a little over a week ago. The pain was pretty bad when it happened, and there was instantly a mark, but still no significant bruise (other than getting a little yellow) but over a week later the pain has gone away significantly, but there is still a tiny bit of swelling, and a small numb... show more I hit my arm pretty hard a little over a week ago. The pain was pretty bad when it happened, and there was instantly a mark, but still no significant bruise (other than getting a little yellow) but over a week later the pain has gone away significantly, but there is still a tiny bit of swelling, and a small numb spot that has not gone away since the accident. Please help?
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