“ Office chair butt ” has gone viral on sites like TikTok, where posters express concerns about muscular atrophy in their glutes after sitting all day. And as it turns out, “ dead butt syndrome ” really can be caused by too much sitting, including at work. But what is dead butt syndrome, how can you spot it, and what should you do if you notice it? We asked GP Dr Dominic Greenyer, from The Health Suite , how to spot the condition and what to do if you think you have it. What is dead butt syndrom