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 ...

This variation involves performing the classic squat movement while balancing on one leg. By removing one point of support, you introduce a significant challenge to your stability and force your core ...

One move fitness coach Vanja Moves prescribes to anyone completing her programme? Squats – but not the type you might initially think of. No, these are ‘passive resting squats’. ‘This is not training, ...