Here is a dated youtube segemnt on Mathieu Garon's flexibility.
http://youtu.be/qhfXETMXbPw
Most notable is that Garon refers to stretching at a young age.
As a follow up to that, here are some guidelines that we can discuss for stretching at different ages, from Minnestoa Hockey
http://minnesotahockeyhep.com/columns/y ... d-to-know/