If you’ve not used a hula hoop since you left primary school, you’re not alone. Yet what was once a kids’ game is having a boom in the fitness world, thanks to the hula hoop TikTok challenge, as more ...

Hula hooping is so commonplace that we may overlook some interesting questions it raises: 'What keeps a hula hoop up against gravity?' and 'Are some body types better for hula hooping than others?' A ...