What is 'office chair butt' – and how do you prevent it?

It’s rare for healthcare professionals to endorse a social media health trend, but one term that’s recently been gaining attention online is ‘office chair butt’. This informal phrase describes changes that can occur in your bottom muscles as a result of prolonged sitting. So, is there any truth behind the trend? We spoke to a physiotherapist to explain what office chair butt really is, why it happens, and simple ways to reduce the effects of long hours spent sitting.