IT’S A LEG WORKOUT, @TeamYouTube — can someone please explain why my last two WORKOUT ONLY videos have been confirmed by manual review for not suitable?? Please?? Can anyone help me here?pic.twitter.com/qkavsrF1vo
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
It’s the thumbnail!! When I change thumbnails to something that shows no bum/less skin, they always accept it. It’s dumb
100% thumbnail if it gets flagged at first it’s computer flagged. Manual reviews means that someone then checks it personally. (I think) 
Yeah its probably the thumbnail. They are getting more strict on how much skin you show. 

Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.