If you go to a doctor to have it checked out all he will do is feel along your arm/shoulder to make sure everything is set right, maybe press along spots and ask if it hurts. It isn't a bad idea to go to make sure it heals right.
I agree with Grav, get it checked so problems wont arise later on in life. My buddy didnt go see a doc after he hurt this shoulder 4 years ago and now he barely can do anything. The doc now said that it could have been fixed, but the way it repaired itself is to difficult to change without hurting the arm for a extended period of time. Do the safe thing
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