L4-5 in your back is a joint just like your knee or your shoulder. Herniated discs are joint injuries. The most common cause of a herniated disc is a twisting type of injury. It can be caused by a ...
New York Jets quarterback Vinny Testaverde was knocked out of a game Sunday on the first offensive play against the Pittsburgh Steelers on Sunday with a pinched nerve in his neck. Herniated discs ...