There are many myths and rumors about joint cracking. The two most common being our knuckles will get bigger if we crack them or we will get arthritis. Neither of these is likely but there is some truth to the idea that some forms of cracking are undesirable. Two types of cracking There are two reasons why our joints crack and creak. 1. Bones are rubbing together. 2. The bones of a joint are fixated. We will examine these one…