Originally Posted by CvcExCoupe
Hernias are holes in the abdominal wall caused by too much exertion. The pain comes when a portion of your intestine exits this hole. If it is your back that is hurting you shouldn't have a hernia, pulled muscle most likely. See a doctor and they should give you pain medication along with mild muscle relaxers (non-narcotic).
that isnt the only kind of hernia..its just the most common. you can have a hernia anywhere.

a herniated disk is a possibility..but i doubt thats what it is in this case. like you said, he probably just "pulled" a muscle.