Check out this video of MF learning to defend against stabbings and pistol whippings at a krav maga workshop.

Crossfit trainer Andrew Stemler can bang out loads of muscle-ups, which makes him the perfect chap to teach you how to do them.

Leo Houlding is one of the best climbers in the world. Big claim. Here's the proof.

Check out this mind-blowing snowboarding video part from rail chomper extraordinaire JP Walker.

Crouch deserves attention for more than his dancefloor skills and very, very hot girlfriend – here's the proof.

You won't find a more complete recap of Collins' impressive boxing than this.

Do this quick tennis ball routine before and after your workouts to iron out any muscular knots.

Here's a clip of two surfers taking on a monster wave in Hawaii.

Check out this video of MF having a quick blast around a corkscrewing snowboard cross course.