There's a brand-new way to show off on social media, and it's called 'the belly button challenge'. Starting out on Chinese social network Weibo, in the past few days the craze has swept across the English-speaking online world. The aim is to reach your arm behind your back and touch your belly button from the opposite side. Those who successfully complete the task must post a picture as proof.
While most of those participating seem to see it as just a bit of fun, some commentators have warned that the challenge could promote unrealistic beauty standards and even eating disorders. Certainly, having a very slim waist does make it easier to do, and most of the photos posted online feature slender women. However, not everyone who has managed to complete the belly button challenge is thinner than average. It seems that having proportionately longer arms and flexible joints also helps a lot.
When we tried it The Debrief office some of us could manage it and some couldn't – but none of us are taking it as a sign our bodies aren't good enough in some way. We are considering doing a few stretches and trying again later, though!
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This article originally appeared on The Debrief.