I don't know if I have post lyme disease, post viral syndrome or me/cfs. I have been sick for many years. Does anyone experience just turning neck and getting a loud snap noise or when trying to straighten their mid back hear and feel all the bones crack? In addition my joints/ligaments are what I would call hyper mobile or weak. I am prone to injuring myself sometimes just lifting up a suitcase or even opening a tight unopened jar. Some days this just goes away like many other symptoms. I think it is all related somehow.