On the face of it, Arnold Schwarzenegger – whose collection of beastly rides includes several Hummer H1s, an ex-Military Dodge M37, and an M47 Patton Tank – might seem an unlikely inspiration for those of...

Dirt bike riding takes enormous physical strength and endurance. Naturally, racing is designed to test your body, and you need to put in special effort to get your body ready for a hard enduro race. But...