Walking funny ‘cos he blew your back out: 10/10 would recommend.
Walking funny ‘cos your back blew out: no/10 avoid at all costs.
I knew my English teacher was smarter than me, but I never believed Mr Perry when he said I really needed to understand Active and Passive voices.
@GiantBritishPuppy it seems like you've got it down now! And I fully agree with these statements.
@GiantBritishPuppy I hope this all gets cleared up and you can get back to having your back blown out in the fun way soon

@GiantBritishPuppy Grammatically, the second one is in the middle, not passive voice, as your back blew itself out without an agent. "your back was blown out" would be passive.

#languageNerd