I never pictured myself doing anything *remotely* like the F45 Challenge. Like most perfectionists, I can’t stand to be bad at anything new. So when, years ago at my first-ever HIIT class ...

My body was craving movement and some healthier routines again, so I decided to go wildly off piste and (nervously) give the F45 Challenge a go. If, like me, you’re curious to try it out, but ...