Get buns of steel with this revolutionary technique.
The best (most painful) clips of people hurting themselves while working out, all in one video.
Do you want to get into shape but are afraid of exercise?
An inspirational supercut of cinematic training montages.
Xie Guizhong sets a new Guinness World Record.
The best clips of cats walking on treadmills, all in one video.
One man does two things most people can't do -- at the same time.