I've seen references to articles written by Coach Sommer about what I think is flexibility. They were hosted on crossfit.com but no longer are. Here's a couple examples of what I'm looking for:
http://www.crossfit.com/cf-coaches/somm ... cle016.htm
http://www.crossfit.com/cf-coaches/somm ... cle001.htm
(links don't work)
Is there a way to still access these?