The post has 6.7 million views, and social media users across platforms accepted the challenge. Many performed the test solo or in groups, at the office, or as a family or couple. #biologicalage feed ...

I'm sat in my living room and my legs are pulsating, my heart rate is pumping and the room is a little less steady than it was 10 minutes ago. It’s not that I’m feeling the ‘gains’ of an intense ...

Lil’ Jon and the Ying Yang Twins probably didn’t have fitness in mind when they sang Get Low, but people all over TikTok are doing just that in a new “fitness test." The move, going viral on TikTok, ...