A thrusting young buck at work recently approached me to ask for some tips on toning up. He does a lot of exercise but lives pretty generously. That means, whatever his body asks him for, he generously provides. As a result he has cultivated something of a "Dadbod" and has now decided to take action to stem the tide.

If you’re anything like me, sometimes you get to the gym and the sheer act of getting there is triumph enough. The workout becomes almost irrelevant. By virtue of getting up off the couch and taking 'massive' action, you’re already in credit.

But other times, you’re in an altogether different headspace and you want to train. I mean, properly train. Here are five savage workouts that will push you to your limits and beyond - both physically and mentally.