Look at some Yoga clips from googling it. I think there are mulitple places that have good video, but I no longer have the links in my favorites. I have really worked hard on stretching my ham strings and that has made a world of difference for me.
__________________
2007 Jamis Ventura Comp
2006 Jamis Explorer 2.0
2000 Specialized Hardrock (bought used)
Swim, Bike, Run and sounds like fun