National Geographic has a preview promo posted: http://channel.nationalgeographic.com/channel/video/index.html?bcpid=192889067&bctid=1166648742 (thanks for posting it Rick) Good for science class. Around 3:30 they get into the gymnastics part. They say in gymnastics there are the biggest forces recorded. The preview promo is 5:18 long.

The today show gets gymnastics guests on promoting the Olympics that will air on their channel. 2007 World Team champions on NBC

Anybody watched this or found it on youtube? Male gymnasts among U.S. Olympic athletes featured in National Geographic Channel