You can build a comprehensive kettlebell training programme on just three foundational exercises; the kettlebell swing, the goblet squat and the press-up (John usually lists the Turkish get-up in ...

But as Olympian, powerlifter and pentathlete Dan John explains in a recent Instagram video, it's OK if you're not. "A lot of us just aren't good at squats," he says.

It's natural when we're in the gym to want to be an expert in every move, but especially in key compound lifts like the barbell back squat. But as Olympian, powerlifter and pentathlete Dan John ...