Campus Board routine is one of the toughest (in my opinion) exercises to perform. I have been training on campus rungs for about 6 months and have developed a pretty intense routine. I mainly do these exercises to get strength in my back and arms for rock climbing. All caution, however, should be taken before performing these as they involve putting lots of stress on your fingers and wrist area.
[video=youtube;kKtEQzo-K2c]http://www.youtube.com/watch?v=kKtEQzo-K2c[/video]
[video=youtube;kKtEQzo-K2c]http://www.youtube.com/watch?v=kKtEQzo-K2c[/video]