Live Accordion v4.1.0 now supports back navigation. It also improves by SEO friendly pane hash, ignoring indexing of HTTP handlers to search crawlers and infinite looping of postbacks in embedded module in case of load on demand option and includes few other enhancements.

http://www.mandeeps.com/products/dotnetnuke-modules/live-accordion.aspx

See Live Accordion Release Log for complete details.