But why the kettlebell? This free weight often sits ... a training method which involves choosing a muscle group or two to target on different days of the week. But to John, this way of working ...

This kettlebell workout trains your glutes, hamstrings, shoulders, back, calves and core — and it only takes 30 minutes!

Although this is one of Reid's favourites, we'll just say it now, these are quite hard so don't jump in for a kettlebell that's too heavy. That being said, windmills target multiple muscles that ...

It includes two compound exercises to target multiple muscles at once and ... Make sure you use a kettlebell weight where the last couple of reps feel like a challenge (if they're too easy ...