The ulnar nerve is a nerve that runs through our fingers and forearm all the way up to our shoulders. It is responsible for relaying signals and information to and from the arm. The nerve is commonly injured at the elbow due to elbow fracture, injury, or dislocation....
Crepitus is a general term for the crackling or popping sound made by a joint. This is typically caused by cartilage or soft tissue rubbing against a joint during movement, although it can also be triggered by pockets of air building up in...