ok so my knee hurts it started when i was running im crippled i have a broken collar bone clavicle and im currently wearing a sling right know so i was running with the sling on and then when i stopped running my knee just started hurting i thought it would go away but it didn't it happen yesterday did i dislocate something please tell me im really worried about what ever it is im going to be in big trouble if its dislocated

please someone tell me why that happen im in a sling so my right arm cant move when i run only left hand can when i stop my right leg knee i think started hurting an still hurts when i walk i broke my collar bone on my right arm