Filed under: BJ Penn Takes His Training Serious By Kelvin Hunt Dec 12, 2008, 4:16pm EST Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: BJ Penn Takes His Training Serious Reddit Pocket Flipboard Email [myspace]http://vids.myspace.com/index.cfm?fuseaction=vids.individual&videoid=48150467[/myspace]BJ Penn gets the high altitude chamber reassembled for GSP.