The world is always searching for a secret fitness formula; a single exercise, activity or approach capable of overhauling your health and performance. We assume it doesn’t exist, but what if it’s ...

“If you were to stick me in a prison where all I had was a 16kg or 20kg kettlebell, and you told me I would only be let out when I was in the best shape of my life, I could pull it off,” legendary ...