how can you tell if you have a broken thumb, yesterday i hit it against a basketball real hard, and it was hurting, then today i did that same thing and its really hurting now, its a little swollen and it hurts like hell to move it, and whenever i straighten it out then try to bend it at the knuckle it resists and i have to try and bend it hard until it finaly pops or sumthing and bends, it hurts....what should i do, is it broken?