How to stop chrome from caching
as per this bug report in chromium repo, users find that using no-store instead of no-cache will fix it in chrome.
This is not proper, but perhaps you could use the Javascript history object to determine if the current page is the last page in the list? If not, the back button was pressed.
See this reference: http://www.exforsys.com/tutorials/javascript/javascript-history-object-properties-and-methods.html
The real solution of course is to structure your application in such a way that usage of back/forward buttons actually work the way they are supposed to.